Huawei to Open Research Center in Finland

PARIS — Huawei Technologies, a Chinese maker of telecommunications equipment, said on Monday that it planned to open a research and development center in Helsinki next year, accelerating its investments in Europe, where its business is expanding rapidly.

The move illustrates a trans-Atlantic difference in attitudes toward Huawei. The company has been largely shut out of the United States market for network gear because of Congressional concerns about possible security threats — fears the company insists are unfounded.

While Huawei has faced difficulties in some European markets, like France, it has done better elsewhere. Huawei employs more than 7,000 people in the region, and it says that total could double in the next three to five years. Huawei already has a research center in Italy and is studying the possibility of opening one in Spain. It also recently announced a $2 billion investment in Britain.

The planned center in Helsinki, involving an investment of 70 million euros, or about $90 million, will work on smartphone development, including features like user interfaces and power management, the company said. When the center opens next year, it will employ 30 people, but this could grow to 100 over the next five years, the company said.

The announcement is a plus for the Finnish technology industry, which has been suffering from the woes at Nokia. The company was once the world’s biggest cellphone maker, but its market share has fallen sharply in recent years.

“The open and innovative environment in Finland,” Huawei said, “is an ideal place for Huawei to strengthen our global R.& D. capabilities for devices, creating opportunities for both Huawei and the Finnish telecommunications industry.”

Huawei has been known mostly for its network equipment, but the company is pushing to make a name for itself with its handsets.

Mobile devices accounted for 22 percent of its revenue last year, an increase of 37 percent. That compares with growth of 12 percent for the overall business.

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IHT Rendezvous: The Oxymorons of 'Sustainable Overfishing'

GENERAL SANTOS, Philippines — Fishtocrats from three dozen nations just met in Manila to protect imperiled Pacific tuna, but they barely budged the status quo. So I flew down to Mindanao to hobnob with fishermen. It looks as if we had best develop a taste for tofu tartar and seaweed sushi.
The Western and Central Pacific Fisheries Commission banned reporters, as usual, from its five-day annual session last week. I went as an observer researching a book. But Pew Charities Trust, WWF and Greenpeace summed it up neatly:
“It is outrageous that once again the scientific recommendations have been completely ignored, and that members once again focused debate this week on how much overfishing to allow rather than how to effectively end it.”
The joint statement singled out bigeye tuna, as cherished as blue fin for top-grade sashimi, but yellowfin is also under heavy pressure. Even the ubiquitous skipjack that goes into cans is at the limit.
In General Santos, all three are landed as if there were no tomorrow. Elaborate restrictions apply across the west and central Pacific. Yet here, as in many ports and on the high seas, they are too often ignored.
The main catch is mostly yellowfin from the rich Coral Triangle, from the Philippines to Indonesia and up to Papua New Guinea. Each morning, boats bring in yellowfin too young to breed along with baby bigeye and skipjack the size of measly trout.
“Too many people are trying to catch too many fish,” John Heitz told me, shaking his head at a crate of yellowfin no longer than his arm. (It should have been as long as his leg.) An ex-Peace Corps volunteer, he settled in decades ago to export fresh high-quality tuna.
“If everyone would stop hammering this kindergarten class and follow the guidelines, tuna would be sustainable,” he said.
Even more than rampant overfishing at the bottom, the problem is politics at the top. The WCPFC includes not only major players like the United States, the European Union, China, Japan and such, but also dozens of Pacific island and coastal states.

Government officials, a few of whom seem unable to tell a tuna from a turtle, dominate the delegations; they defend national interests. Other delegates are industry executives who want to fish. Many from both sides are serious about a sustainable long term. But all decisions must be unanimous.

The NGO statement noted the WCPFC pledged in 2008 to end bigeye overfishing by the end of 2011. Instead, it said, “overfishing has actually increased, and now this commission wants to delay another five years.” At each meeting, it said, talks focus on details, not the core problems.

Ironically, those 500-plus delegates debated the future of half the world’s tuna behind closed doors. We credentialed researchers aren’t supposed to report on their debates. So I’ll leave the conclusion to the NGO statement:
“The Commission seems to be…constructing a Rube Goldberg machine that has a lot of levers, chutes, and lifts that produce a lot of noise and activity, but in the end achieves effectively nothing.”

“Nothing” may be pushing it. But over the past 18 months, I’ve seen plenty of evidence for that, not only within the WCPFC but also in other regional fisheries management organizations. To save fish, we need firm guidelines, clear limits and serious enforcement.

The crisis is clear enough here in Tuna Town, where six canneries now depend largely on fish brought from beyond depleted surrounding waters. Boats change flags at their convenience. Some of their holds disgorge undersized tuna.

In one working group in Manila, someone’s slip of the tongue coined a new phrase: sustainable overfishing. When everyone laughed, he indicated that he’d meant that as a joke. I’m not so sure.

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DealBook: A.I.G. to Sell Most of Leasing Unit to Chinese Investors

The American International Group agreed on Sunday to sell up to 90 percent of its extensive airplane leasing unit to a group of Chinese investors in a deal that valued the business at about $5.28 billion. It is part of the insurance giant’s effort to sell assets that it considers nonessential to its core operations as the company continues to recover from the financial crisis.

Under the terms of the deal, A.I.G. will sell an 80 percent stake to a group that includes the New China Trust Company, the China Aviation Industrial Fund and P3 Investments. The consortium has the option of buying an additional 9.9 percent stake. If exercised, the move would bring in two additional investors: New China Life Insurance and an arm of the Industrial and Commercial Bank of China.

A.I.G. will hold onto at least 10 percent of the business, and the insurer’s chief executive, Robert H. Benmosche, will keep a seat on the company’s revamped board.

The deal is one of the biggest acquisitions of an American company by Chinese investors, and is expected to undergo scrutiny by the Committee on Foreign Investment in the United States, the government body that reviews the national security implications of deals involving foreign buyers. The deal is also subject to other American and Chinese regulatory reviews.

The transaction is yet another asset sale by A.I.G. as it continues to sell off nonessential businesses, largely to help pay back its taxpayer-financed rescue. Since its government bailout in the fall of 2008, it has disposed of major units like AIA, a big Asian life insurance operation, and the American Life Insurance Company, another large international operation.

A.I.G. said it expected to eventually record a loss of about $4.4 billion on the sale, including an accounting charge of about $1.8 billion tied to the use of tax assets in the deal. The International Lease Finance Corporation, or I.L.F.C. as the division is commonly known, is one of the biggest in the world and has long been regarded as one of A.I.G.’s crown jewels. The nearly 40-year-old company claims as customers over 200 airlines in 80 countries. It owned about 918 planes in its fleet as of Nov. 15, according to a securities filing, and has commitments to buy 229 new fuel-efficient aircraft.

I.L.F.C. came under pressure during the financial crisis, burdened by an enormous debt load, though it has since rebounded. For the first nine months of the year, it earned $339.7 million, in contrast to a $736.4 million loss in the period a year earlier.

The insurer had long identified the business as one it was willing to part with, in part because the aircraft leasing business requires an intensive amount of capital to support. Last fall, A.I.G. filed to take the unit public. But a sale of the company proved more attractive, providing a quicker and more certain path to disposing of the business.

“This transaction creates a solid and strategic partnership for I.L.F.C.,” Mr. Benmosche said in a statement. “While I.L.F.C. is an extremely strong business platform and A.I.G. will retain a minority stake as a passive investor, the aircraft leasing business is not core to our insurance operations.”

The investor consortium will take advantage of the leasing operation’s booming business in China, which the company said it expected to account for much of its future growth. About 176 of its owned planes are operated by Chinese airlines like Air China, China Southern and Shanghai Airlines, and I.L.F.C. opened offices in Singapore and Beijing this year to help keep up with demand.

“Our group shares a commitment to I.L.F.C.’s experienced management team, its operating philosophy, and its presence in the United States,” Weng Xianding, the chairman of New China Trust, said in a statement. “This transaction allows I.L.F.C. to continue to serve its worldwide partners in the aviation industry with world-class service while accelerating its growth in important markets, including Asia.”

A.I.G. was advised by Citigroup and the law firm Debevoise & Plimpton, while the buyers were represented by Credit Suisse and the law firm Simpson Thacher & Bartlett.

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A Breakthrough Against Leukemia Using Altered T-Cells

PHILIPSBURG, Pa. — Emma Whitehead has been bounding around the house lately, practicing somersaults and rugby-style tumbles that make her parents wince.

It is hard to believe, but last spring Emma, then 6, was near death from leukemia. She had relapsed twice after chemotherapy, and doctors had run out of options.

Desperate to save her, her parents sought an experimental treatment at the Children’s Hospital of Philadelphia, one that had never before been tried in a child, or in anyone with the type of leukemia Emma had. The experiment, in April, used a disabled form of the virus that causes AIDS to reprogram Emma’s immune system genetically to kill cancer cells.

The treatment very nearly killed her. But she emerged from it cancer-free, and about seven months later is still in complete remission. She is the first child and one of the first humans ever in whom new techniques have achieved a long-sought goal — giving a patient’s own immune system the lasting ability to fight cancer.

Emma had been ill with acute lymphoblastic leukemia since 2010, when she was 5, said her parents, Kari and Tom. She is their only child.

She is among just a dozen patients with advanced leukemia to have received the experimental treatment, which was developed at the University of Pennsylvania. Similar approaches are also being tried at other centers, including the National Cancer Institute and Memorial Sloan-Kettering Cancer Center in New York.

“Our goal is to have a cure, but we can’t say that word,” said Dr. Carl June, who leads the research team at the University of Pennsylvania. He hopes the new treatment will eventually replace bone-marrow transplantation, an even more arduous, risky and expensive procedure that is now the last hope when other treatments fail in leukemia and related diseases.

Three adults with chronic leukemia treated at the University of Pennsylvania have also had complete remissions, with no signs of disease; two of them have been well for more than two years, said Dr. David Porter. Four adults improved but did not have full remissions, and one was treated too recently to evaluate. A child improved and then relapsed. In two adults, the treatment did not work at all. The Pennsylvania researchers were presenting their results on Sunday and Monday in Atlanta at a meeting of the American Society of Hematology.

Despite the mixed results, cancer experts not involved with the research say it has tremendous promise, because even in this early phase of testing it has worked in seemingly hopeless cases. “I think this is a major breakthrough,” said Dr. Ivan Borrello, a cancer expert and associate professor of medicine at the Johns Hopkins University School of Medicine.

Dr. John Wagner, the director of pediatric blood and marrow transplantation at the University of Minnesota, called the Pennsylvania results “phenomenal” and said they were “what we’ve all been working and hoping for but not seeing to this extent.”

A major drug company, Novartis, is betting on the Pennsylvania team and has committed $20 million to building a research center on the university’s campus to bring the treatment to market.

Hervé Hoppenot, the president of Novartis Oncology, called the research “fantastic” and said it had the potential — if the early results held up — to revolutionize the treatment of leukemia and related blood cancers. Researchers say the same approach, reprogramming the patient’s immune system, may also eventually be used against tumors like breast and prostate cancer.

To perform the treatment, doctors remove millions of the patient’s T-cells — a type of white blood cell — and insert new genes that enable the T-cells to kill cancer cells. The technique employs a disabled form of H.I.V. because it is very good at carrying genetic material into T-cells. The new genes program the T-cells to attack B-cells, a normal part of the immune system that turn malignant in leukemia.

The altered T-cells — called chimeric antigen receptor cells — are then dripped back into the patient’s veins, and if all goes well they multiply and start destroying the cancer.

The T-cells home in on a protein called CD-19 that is found on the surface of most B-cells, whether they are healthy or malignant.

A sign that the treatment is working is that the patient becomes terribly ill, with raging fevers and chills — a reaction that oncologists call “shake and bake,” Dr. June said. Its medical name is cytokine-release syndrome, or cytokine storm, referring to the natural chemicals that pour out of cells in the immune system as they are being activated, causing fevers and other symptoms. The storm can also flood the lungs and cause perilous drops in blood pressure — effects that nearly killed Emma.

Steroids sometimes ease the reaction, but they did not help Emma. Her temperature hit 105. She wound up on a ventilator, unconscious and swollen almost beyond recognition, surrounded by friends and family who had come to say goodbye.

But at the 11th hour, a battery of blood tests gave the researchers a clue as to what might help save Emma: her level of one of the cytokines, interleukin-6 or IL-6, had shot up a thousandfold. Doctors had never seen such a spike before and thought it might be what was making her so sick.

Dr. June knew that a drug could lower IL-6 — his daughter takes it for rheumatoid arthritis. It had never been used for a crisis like Emma’s, but there was little to lose. Her oncologist, Dr. Stephan A. Grupp, ordered the drug. The response, he said, was “amazing.”

Within hours, Emma began to stabilize. She woke up a week later, on May 2, the day she turned 7; the intensive-care staff sang “Happy Birthday.”

Since then, the research team has used the same drug, tocilizumab, in several other patients.

In patients with lasting remissions after the treatment, the altered T-cells persist in the bloodstream, though in smaller numbers than when they were fighting the disease. Some patients have had the cells for years.

Dr. Michel Sadelain, who conducts similar studies at the Sloan-Kettering Institute, said: “These T-cells are living drugs. With a pill, you take it, it’s eliminated from your body and you have to take it again.” But T-cells, he said, “could potentially be given only once, maybe only once or twice or three times.”

The Pennsylvania researchers said they were surprised to find any big drug company interested in their work, because a new batch of T-cells must be created for each patient — a far cry from the familiar commercial strategy of developing products like Viagra or cholesterol medicines, in which millions of people take the same drug.

Read More..

A Breakthrough Against Leukemia Using Altered T-Cells

PHILIPSBURG, Pa. — Emma Whitehead has been bounding around the house lately, practicing somersaults and rugby-style tumbles that make her parents wince.

It is hard to believe, but last spring Emma, then 6, was near death from leukemia. She had relapsed twice after chemotherapy, and doctors had run out of options.

Desperate to save her, her parents sought an experimental treatment at the Children’s Hospital of Philadelphia, one that had never before been tried in a child, or in anyone with the type of leukemia Emma had. The experiment, in April, used a disabled form of the virus that causes AIDS to reprogram Emma’s immune system genetically to kill cancer cells.

The treatment very nearly killed her. But she emerged from it cancer-free, and about seven months later is still in complete remission. She is the first child and one of the first humans ever in whom new techniques have achieved a long-sought goal — giving a patient’s own immune system the lasting ability to fight cancer.

Emma had been ill with acute lymphoblastic leukemia since 2010, when she was 5, said her parents, Kari and Tom. She is their only child.

She is among just a dozen patients with advanced leukemia to have received the experimental treatment, which was developed at the University of Pennsylvania. Similar approaches are also being tried at other centers, including the National Cancer Institute and Memorial Sloan-Kettering Cancer Center in New York.

“Our goal is to have a cure, but we can’t say that word,” said Dr. Carl June, who leads the research team at the University of Pennsylvania. He hopes the new treatment will eventually replace bone-marrow transplantation, an even more arduous, risky and expensive procedure that is now the last hope when other treatments fail in leukemia and related diseases.

Three adults with chronic leukemia treated at the University of Pennsylvania have also had complete remissions, with no signs of disease; two of them have been well for more than two years, said Dr. David Porter. Four adults improved but did not have full remissions, and one was treated too recently to evaluate. A child improved and then relapsed. In two adults, the treatment did not work at all. The Pennsylvania researchers were presenting their results on Sunday and Monday in Atlanta at a meeting of the American Society of Hematology.

Despite the mixed results, cancer experts not involved with the research say it has tremendous promise, because even in this early phase of testing it has worked in seemingly hopeless cases. “I think this is a major breakthrough,” said Dr. Ivan Borrello, a cancer expert and associate professor of medicine at the Johns Hopkins University School of Medicine.

Dr. John Wagner, the director of pediatric blood and marrow transplantation at the University of Minnesota, called the Pennsylvania results “phenomenal” and said they were “what we’ve all been working and hoping for but not seeing to this extent.”

A major drug company, Novartis, is betting on the Pennsylvania team and has committed $20 million to building a research center on the university’s campus to bring the treatment to market.

Hervé Hoppenot, the president of Novartis Oncology, called the research “fantastic” and said it had the potential — if the early results held up — to revolutionize the treatment of leukemia and related blood cancers. Researchers say the same approach, reprogramming the patient’s immune system, may also eventually be used against tumors like breast and prostate cancer.

To perform the treatment, doctors remove millions of the patient’s T-cells — a type of white blood cell — and insert new genes that enable the T-cells to kill cancer cells. The technique employs a disabled form of H.I.V. because it is very good at carrying genetic material into T-cells. The new genes program the T-cells to attack B-cells, a normal part of the immune system that turn malignant in leukemia.

The altered T-cells — called chimeric antigen receptor cells — are then dripped back into the patient’s veins, and if all goes well they multiply and start destroying the cancer.

The T-cells home in on a protein called CD-19 that is found on the surface of most B-cells, whether they are healthy or malignant.

A sign that the treatment is working is that the patient becomes terribly ill, with raging fevers and chills — a reaction that oncologists call “shake and bake,” Dr. June said. Its medical name is cytokine-release syndrome, or cytokine storm, referring to the natural chemicals that pour out of cells in the immune system as they are being activated, causing fevers and other symptoms. The storm can also flood the lungs and cause perilous drops in blood pressure — effects that nearly killed Emma.

Steroids sometimes ease the reaction, but they did not help Emma. Her temperature hit 105. She wound up on a ventilator, unconscious and swollen almost beyond recognition, surrounded by friends and family who had come to say goodbye.

But at the 11th hour, a battery of blood tests gave the researchers a clue as to what might help save Emma: her level of one of the cytokines, interleukin-6 or IL-6, had shot up a thousandfold. Doctors had never seen such a spike before and thought it might be what was making her so sick.

Dr. June knew that a drug could lower IL-6 — his daughter takes it for rheumatoid arthritis. It had never been used for a crisis like Emma’s, but there was little to lose. Her oncologist, Dr. Stephan A. Grupp, ordered the drug. The response, he said, was “amazing.”

Within hours, Emma began to stabilize. She woke up a week later, on May 2, the day she turned 7; the intensive-care staff sang “Happy Birthday.”

Since then, the research team has used the same drug, tocilizumab, in several other patients.

In patients with lasting remissions after the treatment, the altered T-cells persist in the bloodstream, though in smaller numbers than when they were fighting the disease. Some patients have had the cells for years.

Dr. Michel Sadelain, who conducts similar studies at the Sloan-Kettering Institute, said: “These T-cells are living drugs. With a pill, you take it, it’s eliminated from your body and you have to take it again.” But T-cells, he said, “could potentially be given only once, maybe only once or twice or three times.”

The Pennsylvania researchers said they were surprised to find any big drug company interested in their work, because a new batch of T-cells must be created for each patient — a far cry from the familiar commercial strategy of developing products like Viagra or cholesterol medicines, in which millions of people take the same drug.

Read More..

John Silva, Maker of ‘Telecopter’ Camera, Dies at 92

Helicopter news footage is common today. But until myriad problems in sending live pictures from a moving aircraft were solved, television broadcasters could not show an eagle’s-eye view of a forest fire, or contemplate aerial coverage of, say, a famous man fleeing the police in a white Ford Bronco.

John Silva made that now-familiar vantage possible in 1958, when he converted a small helicopter into the first airborne virtual television studio.

The KTLA “Telecopter,” as it was called by the Los Angeles station where Mr. Silva was the chief engineer, became the basic tool of live television traffic reporting, disaster coverage and that most famous glued-to-the-tube moment in the modern era of celebrity-gawking, the 1994 broadcast of O. J. Simpson leading a motorcade of pursuers on Los Angeles freeways after his former wife and a friend of hers were killed.

Mr. Silva, who later earned two Emmy Awards for his pioneering technical work, died in Camarillo, Calif., on Nov. 27. His death was confirmed by a spokesman for KTLA-TV, where he worked from 1946 until leaving to become an electronics design consultant in 1978. He was 92.

Mr. Silva, an electronics engineer trained in radar science during World War II, faced three main roadblocks to transmitting black-and-white images live from helicopters. Rotor vibrations distorted the pictures, and sometimes even cracked the transmitter’s vacuum tubes. Directional antennas went haywire when helicopters changed direction suddenly, as helicopters sometimes do. And the camera equipment weighed a ton.

With help from fellow KTLA engineers, though mainly working alone to keep the project secret from competitors, Mr. Silva stabilized onboard cameras with a system of shock absorbers and cushions, designed aluminum parts to replace heavier metals in his equipment and commissioned an antenna that would extend below the chopper and rotate to maintain uninterrupted contact with KTLA’s mountaintop transmitter. By paring and remachining a basic set of broadcast equipment, he reduced it to 368 pounds from 2,000 pounds and distributed the load with precise symmetry throughout the tiny Bell 47G2 chopper leased for the project to prevent listing.

KTLA, the first commercially licensed television station west of the Rockies, faced growing competition in the late ’50s. New network-affiliated stations were scoring scoops with mobile broadcast units like ones Mr. Silva had pioneered, and everyone was fighting to get through increasingly clogged Los Angeles freeways.

The Telecopter was intended to kill the competition.

“If we could build a news mobile unit in a helicopter,” Mr. Silva recalled in a 2002 interview for the Archive of American Television, “we could get over it all, get there first, avoid the traffic and get to all the stories before anybody in the competition.”

“It’d be a wonderful thing,” he said.

By the time he began work on his airborne live television, Mr. Silva had already achieved a landmark in ground-level television history. In 1949, he was the technical director at KTLA who rigged the electronic connections — using duct-tape ingenuity and a borrowed generator — that carried what historians consider the first live television broadcast of a breaking news event.

The 27-hour rescue operation in San Marino, Calif., to save Kathy Fiscus, a 3-year-old trapped in an abandoned water pipe 94 feet below ground, was unsuccessful; but the station’s coverage was the precursor to every wall-to-wall television event broadcast since.

The Telecopter’s first flight took place at Los Angeles City Hall on July 24, 1958. It re-established KTLA’s dominance (until competitors put their own helicopters up). And for better and worse, it brought a Hollywood-style excitement to television news.

In the archive interview, Mr. Silva was asked what the first live helicopter pictures showed. They were panning shots, he said — zooming in and out of the L.A. landscape between the station’s Sunset Boulevard studio and City Hall.

Most of what they showed, he added, “was the freeway.”

John Daniel Silva was born in San Diego on Feb. 20, 1920, the youngest of three children of a commercial fisherman, Guy Silva, and his wife, Lottie, a homemaker. He attended M.I.T. for two years, and graduated with a bachelor’s degree after two years more at Stanford.

During World War II, he was a Naval officer who positioned radar defenses in the Pacific.

After the war, he worked for Paramount Pictures as an engineer for an experimental television station, W6XYZ, that later became KTLA.

Mr. Silva’s survivors include his wife, Mary Lou Steinkraus-Silva; three daughters, Patricia Vawter, Kathleen Silva and Karen Samaha; and a granddaughter.

The Telecopter had its greatest moments, predictably, at news events of Cecil B. DeMille dimensions: The 1963 dam break at the Baldwin Hills Reservoir in Los Angeles that sent 250 million gallons of water into surrounding neighborhoods, destroying many homes and claiming five lives. The 1965 Watts riots. The 1961 brush fire that swept through Bel Air, sending Hollywood stars scrambling to their roofs with garden hoses.

In his three-hour interview with the television archive, Mr. Silva never mentioned the 1994 O. J. Simpson freeway pursuit footage he made possible. But in answering a question about the future of helicopter reporting, he made clear that he had no regrets about the Telecopter’s role in creating an increasingly graphic television sensibility.

He would just like the lenses to get longer and the close-ups tighter, he said.

“When they’re doing freeway chases, they need to have a system that can come down in front, and be able to get pictures of suspects in the front windshield,” he said, describing one improvement he hoped to see.

Smiling, he added, “To fill the screen with their wonderful faces.”

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Changing of the Guard: Signals in China of a More Open Economy

Carlos Barria/Reuters

In November, Xi Jinping made his official debut as party chief at the 18th party congress, which military officers attended.

BEIJING — In a strong signal of support for greater market-oriented economic policies, Xi Jinping, the new head of the Communist Party, made a visit over the weekend to the special economic zone of Shenzhen in south China, which has stood as a symbol of the nation’s embrace of a state-led form of capitalism since its growth over the last three decades from a fishing enclave to an industrial metropolis.

The trip was Mr. Xi’s first outside Beijing since becoming party chief on Nov. 15. Mr. Xi visited a private Internet company on Friday and went to Lotus Hill Park on Saturday to lay a wreath at a bronze statue of Deng Xiaoping, the leader who opened the era of economic reforms in 1979, when Shenzhen was designated a special economic zone. Mr. Deng famously later visited the city in 1992 to encourage reviving those economic policies after they had stalled following the violent crackdown on pro-democracy protests in 1989.

“Reform and opening up is a guiding policy that the Communist Party must stick to,” Mr. Xi said, according to Phoenix Television, one of several Hong Kong news organizations that covered the trip. “We must keep to this correct path. We must stay unwavering on the road to a prosperous country and people, and there must be new pioneering.”

In the months before the transition, there were widespread calls, including from people close to Mr. Xi, to adopt more liberal economic policies and even to experiment with greater political openness as a way for the party to maintain its rule. Without much success so far, reformers have long been encouraging the leadership to move toward a more sustainable growth model for China, one that relies more on domestic consumption rather than infrastructure investment and exports, and where state enterprises play less of a role.

Mr. Xi, known as a skillful consensus builder, has kept his ideas carefully veiled throughout his career, but his trip to Shenzhen is the strongest sign yet that he may favor more open policies. In a speech in Beijing on Nov. 29, Mr. Xi spoke of the “Chinese dream” of realizing the nation’s “revival,” which, besides being a call for renewal, also signaled strong nationalist leanings.

Mr. Xi’s father, Xi Zhongxun, was a revered senior official handpicked by Mr. Deng to help shape the new economic policies and oversee the creation of the Shenzhen zone. Mr. Xi’s mother lives in Shenzhen, and he visited her on his trip, according to Hong Kong news reports.

“If he indeed went to Shenzhen, that means he intends to make reform a subject of priority,” said Li Weidong, a liberal political analyst. “That would really be a phenomenon.”

Mr. Li cautioned, though, that the so-called reform policies that followed Mr. Deng’s 1992 southern tour, in his view, “ended up being fake” because China’s boom resulted in widespread corruption and the expansion of state enterprises at the expense of private entrepreneurship.

When Mr. Xi’s predecessor, Hu Jintao, became party chief in 2002, he was seen by many as a potential reformer, but his tenure was marked by conservative policies. For his first trip outside Beijing as party chief, Mr. Hu went in December 2002 to Xibaipo, a hallowed site for the revolution, where he reiterated a speech given by Mao Zedong.

Over the weekend, video footage from Phoenix Television showed a line of minibuses and police cars winding its way through Shenzhen. Mr. Xi and other officials walked outdoors in dark suits. The party’s official news organizations did not immediately report on the trip, but some prominent mainland Chinese news Web sites cited the Hong Kong reports.

Mr. Xi’s early moves as party leader seem aimed at emphasizing national “revival,” a theme he highlighted when he appeared on Nov. 29 with the party’s new seven-man Politburo Standing Committee in a history museum at Tiananmen Square. According to People’s Daily, the party mouthpiece, Mr. Xi stood in front of an exhibition called “The Road to Rejuvenation” and said, “After the 170 or more years of constant struggle since the Opium Wars, the great revival of the Chinese nation enjoys glorious prospects.”

He added: “Now everyone is discussing the Chinese dream, and I believe that realizing the great revival of the Chinese nation is the greatest dream of the Chinese nation in modern times.”

The emphasis on a “Chinese dream” is particular to Mr. Xi, and could prove to be a recurring motif throughout his tenure. The notion of a grand revival — “fu xing” in Mandarin — has been popular with Chinese leaders for at least a century, but Mr. Xi appears to be tapping more deeply into that nationalist vein than his recent predecessors, perhaps recognizing that traditional Communist ideology no longer has popular appeal.

Patrick Zuo contributed research.

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Arithmetic on Taxes Shows Top Rate Is Just a Starting Point

WASHINGTON — Despite hints in recent days that President Obama and House Speaker John A. Boehner might compromise on the tax rate to be paid by top earners, a host of other knotty tax questions could still derail a deal to avert a fiscal crisis in January.

The math shows why. Even if Republicans were to agree to Mr. Obama’s core demand — that the top marginal income rates return to the Clinton-era levels of 36 percent and 39.6 percent after Dec. 31, rather than stay at the Bush-era rates of 33 percent and 35 percent — the additional revenue would be only about a quarter of the $1.6 trillion that Mr. Obama wants to collect over 10 years. That would be about half of the $800 billion that Republicans have said they would be willing to raise.

That calculation alone suggests the scope of the other major tax issues to be negotiated beyond tax rates. And that is why many people in both parties remain unsure that a deal will come together before Jan. 1. Without agreement, more than $500 billion in automatic tax increases on all Americans and cuts in domestic and military programs will take hold, which could cause a recession if left in place for months, economists say.

“The question is making sure that we hit a revenue target that’s required for a truly balanced deficit-reduction plan,” said Representative Chris Van Hollen of Maryland, the senior Democrat on the House Budget Committee. “And when the president and all of us say this is a question of math, we mean it. It’s very hard to make the numbers work without the top rates going back to the full Clinton-era levels.”

The top tax rates are taking center stage right now because Mr. Obama believes he won a mandate after campaigning relentlessly on the idea of extending Mr. Bush’s tax cuts only for households with annual income below $250,000. But the two parties also have ideological differences on taxes affecting savings, investment and inheritance, which have flared in battles going back to the Reagan years. To get a deal in the coming weeks, those differences must be addressed at least in broad terms, even if the details are left to a battle over revamping the tax code next year.

The argument over rates is far from settled. Although the two sides seem close enough on the percentages for easy compromise, principle and politics loom large: Republicans oppose raising rates as a matter of ideology, saying that it kills jobs, and the president insists that he will not keep the Bush-era rates on income above roughly $250,000 after two campaigns in which he vowed to return them to the levels of the Clinton years.

“Just to be clear, I’m not going to sign any package that somehow prevents the top rate from going up for folks at the top 2 percent,” he said Thursday.

In recent days, comments from some Republicans, including Mr. Boehner, their chief negotiator, have hinted that the party — recognizing its weak hand — might be moving toward a concession on tax rates. Seldom mentioned is that Mr. Obama’s revenue total also reflects four other changes from Bush-era tax cuts: higher tax rates on investment income from capital gains and dividends, and the restoration of two other Clinton-era provisions limiting deductions and tax exemptions for affluent individuals.

Together those changes would raise $407.4 billion over a decade — nearly as much as the president’s proposal on higher rates, which would raise $441.6 billion by 2023, for a total of $849 billion. Another $119 billion would come from higher estate taxes, opposed by Republicans and some Democrats.

And both the president and Republicans are committed to raising hundreds of billions of dollars by overhauling the tax code to further limit or end the tax breaks that high-income taxpayers can claim, though they differ in how to do that.

Republicans want to raise all $800 billion from overhauling the tax code, erasing tax breaks for high-income households and using the new revenues both to reduce deficits and to lower everyone’s tax rates. But they have not proposed how to do that, and the president insists it cannot be done without hitting middle-income taxpayers.

Mr. Obama has proposed to keep existing tax breaks but to limit the rate of those breaks for people in higher tax brackets to 28 percent, which would raise $584 billion in a decade. He has proposed variations of that proposal for four years, only to be ignored by both parties because of opposition from charitable groups, the housing industry, insurers and others to curbing deductions for charitable giving, mortgage insurance and other purposes.

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New Taxes to Take Effect to Fund Health Care Law

WASHINGTON — For more than a year, politicians have been fighting over whether to raise taxes on high-income people. They rarely mention that affluent Americans will soon be hit with new taxes adopted as part of the 2010 health care law.

The new levies, which take effect in January, include an increase in the payroll tax on wages and a tax on investment income, including interest, dividends and capital gains. The Obama administration proposed rules to enforce both last week.

Affluent people are much more likely than low-income people to have health insurance, and now they will, in effect, help pay for coverage for many lower-income families. Among the most affluent fifth of households, those affected will see tax increases averaging $6,000 next year, economists estimate.

To help finance Medicare, employees and employers each now pay a hospital insurance tax equal to 1.45 percent on all wages. Starting in January, the health care law will require workers to pay an additional tax equal to 0.9 percent of any wages over $200,000 for single taxpayers and $250,000 for married couples filing jointly.

The new taxes on wages and investment income are expected to raise $318 billion over 10 years, or about half of all the new revenue collected under the health care law.

Ruth M. Wimer, a tax lawyer at McDermott Will & Emery, said the taxes came with “a shockingly inequitable marriage penalty.” If a single man and a single woman each earn $200,000, she said, neither would owe any additional Medicare payroll tax. But, she said, if they are married, they would owe $1,350. The extra tax is 0.9 percent of their earnings over the $250,000 threshold.

Since the creation of Social Security in the 1930s, payroll taxes have been levied on the wages of each worker as an individual. The new Medicare payroll is different. It will be imposed on the combined earnings of a married couple.

Employers are required to withhold Social Security and Medicare payroll taxes from wages paid to employees. But employers do not necessarily know how much a worker’s spouse earns and may not withhold enough to cover a couple’s Medicare tax liability. Indeed, the new rules say employers may disregard a spouse’s earnings in calculating how much to withhold.

Workers may thus owe more than the amounts withheld by their employers and may have to make up the difference when they file tax returns in April 2014. If they expect to owe additional tax, the government says, they should make estimated tax payments, starting in April 2013, or ask their employers to increase the amount withheld from each paycheck.

In the Affordable Care Act, the new tax on investment income is called an “unearned income Medicare contribution.” However, the law does not provide for the money to be deposited in a specific trust fund. It is added to the government’s general tax revenues and can be used for education, law enforcement, farm subsidies or other purposes.

Donald B. Marron Jr., the director of the Tax Policy Center, a joint venture of the Urban Institute and the Brookings Institution, said the burden of this tax would be borne by the most affluent taxpayers, with about 85 percent of the revenue coming from 1 percent of taxpayers. By contrast, the biggest potential beneficiaries of the law include people with modest incomes who will receive Medicaid coverage or federal subsidies to buy private insurance.

Wealthy people and their tax advisers are already looking for ways to minimize the impact of the investment tax — for example, by selling stocks and bonds this year to avoid the higher tax rates in 2013.

The new 3.8 percent tax applies to the net investment income of certain high-income taxpayers, those with modified adjusted gross incomes above $200,000 for single taxpayers and $250,000 for couples filing jointly.

David J. Kautter, the director of the Kogod Tax Center at American University, offered this example. In 2013, John earns $160,000, and his wife, Jane, earns $200,000. They have some investments, earn $5,000 in dividends and sell some long-held stock for a gain of $40,000, so their investment income is $45,000. They owe 3.8 percent of that amount, or $1,710, in the new investment tax. And they owe $990 in additional payroll tax.

The new tax on unearned income would come on top of other tax increases that might occur automatically next year if President Obama and Congress cannot reach an agreement in talks on the federal deficit and debt. If Congress does nothing, the tax rate on long-term capital gains, now 15 percent, will rise to 20 percent in January. Dividends will be treated as ordinary income and taxed at a maximum rate of 39.6 percent, up from the current 15 percent rate for most dividends.

Under another provision of the health care law, consumers may find it more difficult to obtain a tax break for medical expenses.

Taxpayers now can take an itemized deduction for unreimbursed medical expenses, to the extent that they exceed 7.5 percent of adjusted gross income. The health care law will increase the threshold for most taxpayers to 10 percent next year. The increase is delayed to 2017 for people 65 and older.

In addition, workers face a new $2,500 limit on the amount they can contribute to flexible spending accounts used to pay medical expenses. Such accounts can benefit workers by allowing them to pay out-of-pocket expenses with pretax money.

Taken together, this provision and the change in the medical expense deduction are expected to raise more than $40 billion of revenue over 10 years.

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Stalled Adoption Program in Guatemala Leaves Families in Limbo

Rodrigo Cruz for The New York Times

Amy and Rob Carr in Guatemala with Geovany Archilla Rodas, whom they have been trying to adopt since 2007. More Photos »

GUATEMALA CITY — The little boy flies like an airplane through the hotel, his arms outstretched. Then he leaps like a superhero, beaming as the red lights on his new sneakers flash and flicker, while the American couple he is with dissolve in laughter.

He calls them Mamá and Papi. They call him Hijo — Son. He corrects their fledgling Spanish. They teach him English. “Awe-some,” he repeats carefully, eyeing his new shoes.

To outsiders, they look like a family. But Geovany Archilla Rodas, an impish 6-year-old boy with spiky black hair, lives in an orphanage on the outskirts of this capital city. The Americans — Amy and Rob Carr of Reno, Nev. — live a world away. They are the only parents he has ever known.

They have been visiting him every year, usually twice a year, since he was a toddler, flying into this Central American city for a few days at a time to buy him clothes and to read him stories, to wipe his tears and to tickle him until he collapses in giggles at their hotel or in the orphanage.

Yet half a decade after agreeing to adopt him, the Carrs still have no idea when — or if — they will ever take Geovany home.

“There’s this hope in you that doesn’t want to die,” said Mrs. Carr, who arrived here last month with her husband, more determined than ever to cut through the bureaucracy. “In my heart, he’s my son.”

The Carrs are among the 4,000 Americans who found themselves stuck in limbo when Guatemala shut down its international adoption program in January 2008 amid mounting evidence of corruption and child trafficking. Officials here and in Washington promised at the time to process the remaining cases expeditiously.

But officials and prospective parents say that bureaucratic delays, lengthy investigations and casework hobbled by shortages of staff and resources have left hundreds of children stranded in institutions for years. Today, 150 children — including Geovany — are still waiting in orphanages and foster homes here while the Guatemalan authorities weigh whether to approve their adoptions to families in the United States.

Stalled adoptions are not unique to Guatemala. Concerns about fraud, including allegations of kidnappings and baby selling, have held up American adoptions for months, and sometimes years, from Ethiopia, Kyrgyzstan, Vietnam and Haiti. The State Department currently refuses to approve adoptions from Cambodia and Vietnam to pressure those countries to install safeguards so that children with biological relatives who can care for them are not shipped overseas, officials say.

But the problem of delayed adoptions is particularly acute in Guatemala, a country of about 14 million people, which in 2007 ranked second only to China in the number of children sent to the United States.

As officials here have spent months, and then years, trying to distinguish legitimate adoptions from fraudulent ones, many hopeful couples who had painted nurseries, hosted baby showers and bought brand new cribs began to despair as the infants they had hoped to adopt took their first steps and spoke their first words without them.

Faced with a seemingly endless process, scores of prospective parents quietly abandoned their efforts to adopt the children they once considered their own, officials say.

Guatemalan officials said they never intended for the children to remain institutionalized for so long. They say they have had to thoroughly investigate the cases, some of which are complicated by inconsistencies, false documents and questionable stories, to ensure that the children were not bought or stolen from impoverished rural women.

“These are very vulnerable people, who can be easily taken advantage of,” said Elizabeth Orrego de Llerena, president of the board of directors of the National Adoption Council, which is processing the adoption cases once they have been cleared by the child welfare investigative branch. “At times, they have not had the opportunity to make a complaint or to seek solutions.”

Ms. Orrego de Llerena said that the investigations, which typically include searches for biological relatives, were necessary to ensure that children were given up voluntarily.

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