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Part 2 of 2 - Article continue
But when operators shut down an experimental cascade of 164 centrifuges at Natanz, about 50 of them broke or crashed, according to a January report by David Albright and Corey Hinderstein of the Institute for Science and International Security, a private group in Washington.
Now, the report said, Iran must replace and repair the broken machines and prepare the cascade for operation. Then comes the really hard part: if all goes well, the Iranians must mass-produce thousands of centrifuges and learn to run them in concert, like a large orchestra.
Iran is also struggling to turn concentrated uranium ore, or yellowcake, into uranium hexafluoride, the toxic gas fed into the centrifuges for enrichment. Such conversion is done at a site on the outskirts of Isfahan.
Iran began the conversion effort in the early 1990's, asking China to help build the complex. But in 1997, the Clinton administration persuaded Beijing to stop the deal. The Iranians got blueprints but little else. So they started building on their own.
"From what I saw, everything looked like local manufacturing except for some gauges," said Gary S. Samore, who ran the National Security Council's nonproliferation office during the Clinton administration and who traveled to Isfahan in 2005.
Iran, which tried to hide most of its nuclear sites, voluntarily revealed Isfahan to international inspectors in 2000. But the plant encountered problems during its first runs in early 2004, its output laced with impurities, in particular molybdenum, a silvery element often found in uranium ore.
The contamination, experts say, can ruin delicate centrifuges, reducing their efficiency and cutting short their lifetimes.
The Iranians are working hard to solve the problem. Mark Hibbs of Nuclear Fuel, an industry publication, who broke the molybdenum story, said most experts believed that the Iranians would ultimately succeed. British intelligence, he said, put the time needed at a year and a half, Israeli analysts at two or three months.
Houston G. Wood III, a centrifuge expert at the University of Virginia, said the Iranians might simply learn to cope. "If you're smart enough," he said, "you could probably get by, maybe with decreased efficiency."
Western officials worry that the conversion has a secret side run by a military group seeking to integrate the nuclear program with the design of missiles that could deliver a weapon. In a Jan. 31 report, the I.A.E.A. revealed that it had documentary evidence of a shadowy operation, the Green Salt Project. Tehran dismissed the charge of a hidden military effort as baseless and later called the documents forgeries.
Estimating a Bomb's Birth
Atomic forecasts are driven largely by assessments of technological maturity, sometimes colored by judgments of the risks of guessing wrong.
That may explain the gulf between Israel's claim that the world has as little as six months before the "point of no return" and estimates that an Iranian warhead is many years away.
"We live within Iranian missile range," said a senior Israeli official who has worked on the country's estimates. "Our survival depends on understanding the worst-case scenario." Thus, in the Israeli view, it would be a huge mistake to let the Iranians figure out how to clean up and enrich their uranium.
Israel cites studies like one published in October by the Strategic Studies Institute of the Army War College, "Getting Ready for a Nuclear-Ready Iran." Its timeline is short, one to four years. Iran, it asserted, "lacks for nothing technologically or materially to produce it, and seems dead set on securing an option to do so."
Henry Sokolski, an editor of the report, said neither he nor anyone else could actually produce a truly accurate forecast. "A lot of people are fraudulent, making it sound like a science," he said. "It's not."
He nonetheless defended the report's estimate as reasonable, pointing to Iran's long nuclear history.
Analysts like Mr. Albright and Ms. Hinderstein of the Institute for Science and International Security put the earliest date Iran might produce a weapon at 2009.
To date, the most comprehensive public estimate is by the International Institute for Strategic Studies, an arms analysis group in London. "If Iran threw caution to the wind," John Chipman, the institute's director, said, it might be able to make fuel for a single nuclear weapon by 2010.
Dr. Samore, who edited that report and is now at the MacArthur Foundation, said the Iranians might see political advantage in a more deliberate approach, doing nothing provocative until after 2015 or even 2020.
In his view, he said, Iran would complete the main Natanz plant, installing 50,000 centrifuges and learning to operate them. If successful, it could then enrich uranium to the low levels needed for a nuclear reactor and so comply with the Nuclear Nonproliferation Treaty.
Then it could rush ahead and produce enough highly enriched fuel for a nuclear arsenal in weeks or months. At full tilt, the report concluded, Natanz could annually churn out material for up to 180 warheads.
Seeking a Global Strategy
The Bush administration has concluded that even if Iran stops short of assembling a weapon, its ability to produce one on short order would change the politics of the Middle East.
So it has been trying, with mixed success, to devise a broader atomic blockade that would turn the unilateral, often clandestine efforts of the past into a far more global effort involving not only Europe but India, China and Russia. In theory, the meeting this week in Vienna is a step in that direction.
But administration officials are also trying to make headway on their own. They have persuaded several of Iran's neighbors â they will not say which ones â to block Iranian cargo flights that appear headed toward North Korea or other potential nuclear suppliers. Last year, that strategy appeared to succeed in at least one case, when China intervened.
In a little-noted speech in February, Robert Joseph, an under secretary of state and one of the administration's leading hawks on Iran, described the tools of denial he was employing, from cracking down on Tehran's finances to depriving Iran of crucial technologies.
But administration officials readily acknowledge that it is next to impossible to build a leak-proof wall. In his speech, Mr. Joseph warned of the "wild card" that Iran could obtain nuclear fuel for a bomb from an outside supplier.
As much as anything, officials worry about the unknown. They note that the United States missed signs that a country was about to go nuclear with the Soviets in the 1940's, the Chinese in the 1960's, India in the 1970's and Pakistan in the 1990's.
"People always surprise us," said a senior nuclear intelligence official who was not authorized to speak publicly. "They're always a little more cunning and capable than we give them credit for."
Source:
http://www.nytimes.com/2006/03/05/i...&en=7d2e7dc4e8f6d48c&ei=5094&partner=homepage
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SouthAmerica: I wonder if John Bolton is aware that George W. Bush just went to India last week and made agreements with India related to nuclear technology.
I guess we also can say that a failure by the U.N. Security Council to address the fact that the United States is breaking the non-proliferating nuclear treaty regarding India - would "do lasting damage to the credibility of the council."
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Sunday, March 5, 2006
âBolton: World must confront Iranâ
' By FOSTER KLUG
ASSOCIATED PRESS WRITER
AP â Associated Press
WASHINGTON -- The U.S. ambassador to the United Nations on Sunday told an influential pro-Israel lobbying group there is an urgent need to confront Iran's "clear and unrelenting drive" for a nuclear weapons program.
John Bolton, speaking before a crowd of 4,500 gathered for an American Israel Public Affairs Committee conference, said that a failure by the U.N. Security Council to address Iran would "do lasting damage to the credibility of the council."
"The longer we wait to confront the threat Iran poses, the harder and more intractable it will become to solve," Bolton said.
At issue is Iran's ability to enrich uranium to the point it could be used for a nuclear weapon. Iran insists its nuclear program is peaceful and only meant to generate power. Many in the West, however, fear Iran is aiming to develop atomic weapons.
The International Atomic Energy Agency will meet in Vienna, Austria, on Monday to discuss Iran's nuclear program and its compliance with an IAEA demand that it renounce uranium enrichment.
The U.N. agency's board of governors may at that time send the file to the Security Council for further action.
Iranian officials were in Moscow last week, negotiating an offer by Russia to enrich uranium for Iran to be used for energy. The spent fuel would be returned to Russia, easing fears that Iran could use it for weapons.
Bolton said the Russian proposal lets Iran "reap the benefits of civil nuclear power while addressing concerns that they are really pursuing nuclear weapons."
But he said Iran has been engaging in "doublespeak" during these negotiations by saying with one voice it welcomes discussion, but with the other "flatly refusing" to give up access to technology and material to eventually develop nuclear weapons.
Iran "must be made aware that if it continues down the path of international isolation, there will be tangible and painful consequences," Bolton said.
Source:
http://seattlepi.nwsource.com/national/1151AP_US_Iran_Bolton.html
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