In the new Internet, the computers will be able to understand the meaning of texts and images for divinha what you want

In 1989, the English physicist tim berners-Lee worked as researcher in the CERN, a physical particle laboratory next to Geneva. In that year, Berners-Lee ordered for its heads in the institute a pparently incompressible report, with the heading Information Management: the Proposal (Management of Information: a Proposal). It described what he imagined to be a world-wide net of computers, the World Wide Web. Berners-Lee spoke of linked texts for hyperlinks. You link would clicaria in one - it could be a word, image or icon - and would be directed for other pages. Its superiors had answered to the report with the following commentary: “Vacant, but instigante”. Berners-Lee continued its research. In 1991, the idea gained form. The Internet was born. Berners-Lee assured its place in History as the man who revolutionized the world of the communications. Less than 20 years later, it wants to make another revolution.

New the proposal of Berners-Lee is to create a more intelligent Internet. The idea already gained name: web 3.0. It would be one third step in the evolution of the Internet. To understand this step, she is necessary to remember as the Internet evolved. In 1994, it had only 10 a thousand pages in the virtual net. At that time, the responsible ones for a page only could place information in web. It was the age of the great vestibules, as Yahoo! , AOL and Uol. Web was an almost infinite repository of content, but a unidirectional content. Today, if it considers that this age web 1.0. With the time, the Internet left of being a road of only hand. In recent years, the sites of bigger success have been the ones that allow that the users place in air the proper content. The Wikipédia turned the great symbol this transformation. It is an encyclopedia where verbetes is created and edited for the users. The YouTube is another example. Internautas postam its videos. The wisdom of the masses turned the key in the net, then baptized of web 2.0.

With everybody participating, the tools that allow to find, in the way it chaos of information had gained importance, what it is excellent for the user. One of the exits is adopted by the site of Flickr photos. In the Flickr, any person can publish its photos. When she places them in air, it fills a virtual label species, with words that describe the subject related to those images. If you to postar photos of its new poodle, can write the words “dog”, “totó”, “poodle” and the name of the animal. This aid another person, whom it searches with some of these words, to find the photos of its poodle. It seems little, but this became possible to identify to a photo in way the thousand of others. However, the person who still looks photos has to try to guess which word-key is on to the subject that she is searching. The ambition of Berners-Lee is to create a system where the computer understands what you want and make the search for you. This would be the essence of web 3.0.
He seems precipitated to speak in web 3,0 if the majority of internautas still nor understood right the concept of web 2.0. But an increasing chain of studious identifies web 3,0 as a net where the computers understand semantics. They would understand the meaning of the words that we use in the net. They would make associations of ideas from them. Exactly that you it does not know to type accurately what wants in a site of search or purchases on-line, the computers of that service would interpret its order and would take you until the sites or products that really interest to it. The first steps in this direction already had been given by some sites, as the bookstore on-line Amazon. If you purchase regularly in the Amazon, the computers of the site interpret its preferences and risk palpites on books that you would like to read.

What it can come to be web 3,0 is glimpsed by some services on-line in development. One of them is a buscador of the Networks Radar, a small company of San Francisco, in California. A common buscador, as the Google, finds millions of sites from one or more word-key that you keyboard key. The computer of the Radar would evaluate the relevance of the sites, from the content of each page. If you to use a keyboard “São Paulo” and “teams” in search of information on the club in the Google, it it will present all the sites that contain these words. But it does not go to indicate those that say of the São Paulo Soccer Club and they do not use the word “teams”. Already the buscador of the Radar would enter in each site and “it would understand” when the subject is soccer. With this, it would know if the page deals with São Paulo as teams or city. E would present for you the sites with more information on the teams. Another service route to the 3,0 is the Joost, a site created by Janus Friis, a Danish of 30 years, and Niklas Zennström, a Swedish of 40. They intend to destronar the YouTube with a site that analyzes its preferences and indicates programs of TV for you

A promising experiment also is a system of computers called KnowItAll, developed for the University of Washington. One of the technologies of this system is Opine, a program that evaluates hotels. How it makes this? From the commentaries left for the guests of these hotels. The researchers of the KnowItAll had selected a group of students, who had visited some hotels. In a page of the Internet, them they postavam, as in one blog common, commentaries on its stay. The computer of the KnowItAll read the texts and “it understood” what each student had said on the questions temperature of the room, comfort of the bed and price. Later, the computer compared the evaluations of the students, trying to guess which had similar gostos. With these information, the system was capable to recommend, in definitive city, which optimum hotel for each student.

Some scholars of weight do not believe the potential of web 3.0. “This level of artificial intelligence, with machines thinking instead of following simple commands, has magic researchers for more than half century”, said the journalist John Markoff, in an article that turned reference for the skeptics. According to them, the first difficulty is to develop programs that allow the computer to read and to understand texts with interpretation subtilities. Any person who uses an automatic translator knows that the essence of the main text can be preserved, but nuances of style, synonymous and ambiguous words are problematic.
The defenders of web 3,0 say that the advances in this area are fast. Exactly thus, this period of training alone will be reached daqui the ten years. Today, Berners-Lee leads a called group of research W3C, that acts in the Massachusetts Institute of Technology (MIT). The W3C congregates scientists in search of new technologies that can be used in standardized way. They want to construct this intelligent Internet, managed for systems that they know to read and to write. The expression “vacant, but instigante”, that the heads of Berners-Lee had used have 18 years, is again applicable.

MSNBC Drops Imus's Morning Program

MSNBC today announced it is dropping Don Imus's morning program after a parade of advertisers suspended sponsorship of his cable TV show and outrage over his racially and sexually insensitive remarks continued to build.

Imus's 35-year career as radio host also appeared to be in jeopardy when a board member at CBS Radio, Imus' employer, said he should be fired after he referred last week to the largely African American Rutgers University's women's basketball team as "nappy headed hos."

In a statement late today, NBC said the decision to drop Imus came after "an ongoing review process" that included "many conversations with our own employees." It added, "Once again, we apologize to the women of the Rutgers basketball team and to our viewers."

Imus's comment about the Rutgers team has brought widespread condemnation and made Imus a touchstone for a national debate about racial prejudice and the coarseness of popular culture. Although few have defended his comments, some, including fellow radio "shock jocks" Opie and Anthony, have supported Imus's freedom of speech and suggested his slur was no worse than the lyrics of popular rap songs.

But the pressure on NBC clearly was building after seven major advertisers said that they would no longer place ads on "Imus in the Morning." Today, American Express Co., Sprint Nextel and General Motors Corp. said they would drop their ads. Yesterday, Staples Inc., Bigelow Tea and Procter & Gamble announced similar moves.

Biden Says Bush's Iraq Policy Doomed

Delaware Sen. Joseph R. Biden Jr. (D) said today that the Bush Administration's surge strategy in Iraq is doomed to fail and criticized Army General David Petraeus for offering what he called an overly optimistic assessment of the situation on the ground.

Biden, in an attempt to distinguish himself from the crowded Democratic presidential field, also asserted that none of his principal rivals for the nomination has offered a viable plan for success in Iraq.

Biden's critical assessment came hours after Arizona Sen. John McCain (R) defended the administration's strategy and chastised Democrats for not giving Petraeus and U.S. military forces enough time to make it work.

Biden paraphrased comments made by Petraeus several years ago that "there comes a moment in an invasion where you have a brief opportunity to set things straight and then it turns into an occupation," adding that "He was right then, he's wrong now."

Biden made his comments during an interview at the studios of washingtonpost.com as a guest on "PostTalk" -- a new, regular video feature that provides interviews with presidential candidates, politicians and other newsmakers.

In addition to Iraq, Biden talked candidly about his own presidential prospects against high-profile Democratic candidates including Sens. Hillary Rodham Clinton (N.Y.) and Barack Obama (Ill.)

Acknowledging that he trails the frontrunners badly in money raised, Biden said he believes he will have plenty of cash to compete in the four early states -- caucuses in Iowa and Nevada and primaries in New Hampshire and South Carolina.

Biden, the chairman of the Senate Foreign Relations Committee, said his path to victory includes finishing in the top three in Iowa's Jan. 14 caucus, a strong showing in New Hampshire and a victory in South Carolina where he has focused considerable time and energy.

Biden, who has appeared regularly on Don Imus' radio show, said he would condition future appearances on a change the tone of the program. He added that the attention Imus' racially charged remarks about the Rutgers University women's basketball team have received could have a positive effect on the discussions of race and gender in the public sphere.

But it was Iraq where Biden was most strident, insisting that advocates of President Bush's strategy for reducing violence and killings in Iraq -- most notably McCain -- had no plan beyond adding more troops. "Assume the surge worked, then what?" asked Biden. "Stay there forever? If you don't stay there forever, what's the political solution?"

He also reiterated his belief that those -- including many within his own party -- who believe that a centralized democratic Iraqi government will emerge are flat wrong. "Not possible," Biden said. Biden has long advocated a proposal that would split Iraq into three sections occupied by the Sunnis, Shias and Kurds, respectively.

"You separate the parties, giving them breathing room within a defined central government," Biden said. "That's the only thing that's going to work."

Gates Announces Longer Tours for Active-Duty Army Soldiers

Defense Secretary Robert M. Gates announced this afternoon that all active-duty Army soldiers currently deployed to Iraq and Afghanistan could serve extended tours of up to 15 months in combat, meaning more than 100,000 troops now at war probably will be kept overseas three months longer than their expected one-year deployments.

The new Pentagon policy also means that tens of thousands of Army troops headed to Iraq and Afghanistan in coming months likely will serve tours 25 percent longer than the one-year tours the Army has had in place for the two conflicts over the past five years.

Gates said the change is necessary to prevent five Army brigades from deploying to combat before they complete a desired 12-month rest period at home and to give predictability to soldiers and their families.

Marine units are still expected to have seven-month deployments followed by six-month rest periods at home.

Longer tours also will not apply to four National Guard brigade combat teams that Defense Department officials have slated to deploy to Iraq later this year or early next year, as Gates said he wants to keep to an earlier policy that would allow reserve units to mobilize for one year followed by a five-year break.

Gates said the extended tours are "a difficult but necessary interim step" toward a policy that would allow the Army to have its troops in Iraq and Afghanistan for one-year tours and then have a year off at home. He said the longer deployments also will allow President Bush's "surge" strategy in Baghdad to last a year in case such high force levels are needed in Iraq. "We are creating the capability to keep it in place," Gates said, adding that the surge will last only as long as commanders believe it is effective and necessary, based on conditions in Iraq.

The announcement makes official what had been an ongoing military strategy of keeping force levels up in Iraq, as commanders had sought extensions for several brigades over the past year to maintain pressure on enemy forces, especially in Baghdad. Gates and Marine Gen. Peter Pace, chairman of the Joint Chiefs of Staff, said at a Pentagon news conference today that the broad-based extensions will provide a predictable and dependable deployment schedule for troops and their families.

The extended tours are also an indication of how much strain has been placed on the Army as a result of repeated deployments to Iraq and Afghanistan for wars that have lasted far longer than expected. Two Army brigades that have already been extended will not have to stay longer as a result of the new policy, Gates said.

"Our forces are stretched, there is no question about that," Gates said. "What we're trying to do here is provide some long-term predictability for the soldiers and their families about how long their deployments will be and how long they will be at home."

Asked if the extended tours in combat zones will be more difficult for soldiers who had anticipated serving a year there, Pace said: "Of course it is."

Rep. Ike Skelton (D-Mo.), chairman of the House Armed Services Committee, said Gates's "new policy will be an additional burden to an already overstretched Army."

"I think this will have a chilling effect on recruiting, retention, and readiness. We also must not underestimate the enormous negative impact this will have on Army families," Skelton said.

Sen. John Kerry (D-Mass.) said the extended tours will expose the volunteer Army to more danger.

"This Administration keeps asking our troops for more--do more without the right equipment, spend more time on deployment even as our generals say there is no military solution to the war in Iraq," Kerry in a statement. " . . . This is the latest sign that the Bush Administration continues to overextend our military to the breaking point."

Curiosity of the Sea - Tubarão charges

Tubarão-it charges (Chlamydoselachus anguineus) is a species of Tubarão of the Chlamydoselachidae family. This species that if judged dead person has about two meters of length and inhabits waters in depths that go since 600 m the 1000 m. It has a econmica importance reduced (it fishes) [1]. A female unit was filmed in 24 of January of 2007 in one raríssima appearance in little deep waters of the coast of Japan, next to the city to Shizuoka. However, the specimen died some hours after its capture.

Kingdom: Animalia Filo:
Chordata Classroom: Chondrichthyes Subclass: Elasmobranchii Superordem: Selachimorpha Order: Hexanchiformes Family: Chlamydoselachidae Género: Chlamydoselachus Species: C. anguineus extinct Species Chlamydoselachidae is a family of tubarões who only contains Tubarão-charges as extante species. Chlamydoselachus Chlamydoselachus bracheri Pfeil, 1983 Chlamydoselachus gracilis Antunes & Cappetta, 2001 Chlamydoselachus goliath Antunes & Cappetta, 2001 Chlamydoselachus fiedleri Pfeil, 1983 Chlamydoselachus lawleyi Davis, 1887 Chlamydoselachus thomsoni Richter & Ward, 1990 Chlamydoselachus tobleri Leriche, 1929 Thrinax Thrinax baumgartneri Pfeil, 1983

Bush ‘compromises’ on stem-cell funding

President Bush is seeking to obscure his growing political isolation in Congress by backing an “ethical alternative” on stem-cell research — an issue that splits Republicans and contributed to their defeat in November’s midterm elections.

The Senate will begin to debate a Bill today that would expand and encourage federal funding for researching human embryonic stem cells, similar to that which Mr Bush blocked last year — the only time that he has used his veto power.

The President is backing an alternative Bill that would pay for public research only on embryonic stem cells that have already died or are deemed incapable of survival in the womb. Critics said that it would bring little scientific advance.

Scientists believe that research on stem cells — from which the rest of our bodies grow — could help to cure diseases such as diabetes and Parkinson’s, as well as regenerate human organs and tissue. Stem cells taken from days-old human embryos appear to be particularly powerful.

Opponents, especially from the Religious Right in America, say that it is morally wrong to experiment on or destroy human embryos.

“Without an understanding that life begins at conception and that an embryo is a nascent human being, there will always be arguments that other uses, takeovers and make-overs of embryos are justified by potential scientific and medical benefits,” the White House wrote in a report issued in January.

Both Bills are expected to be passed by the Senate this week. But there remains doubt whether the farther-reaching Bill, sponsored by Harry Reid, the Democratic Majority Leader, would win the 67 votes it needs to override another presidential veto, even though it has overwhelming support from Democrats and a sizeable number of Republicans.

John Hlinko, the founder of Stempac, a pro-research pressure group, said: “It’s going to be extremely difficult to beat the veto. But those who vote against the Bill need to know that we will help them into retirement at the next election.” Opinion polls suggest that 70 per cent of Americans support the research.

White House aides signalled last week that the President was supporting the alternative Bill because he hoped that it would divert some Republican senators away from voting for the more substantive Bill.

Don Stewart, a spokesman for Mitch McConnell, the Senate Minority Leader, said: “You have two options: one Bill that will get vetoed and one that has a chance to pass into law.”

Sean Tipton, at the American Society of Reproductive Medicine, said that the alternative measure, backed by Mr Bush, was “merely the latest attempt by opponents to appear as if they are in favour of stem cell research when they are not”.

He added: “They are running scared because so many of their colleagues lost in November’s elections. Their Bill is not a compromise — it’s pointless. There are no lines of stem cells currently in existence that would become available for research as a result of it.

“This is based on scientific nonsense about what constitutes a ‘naturally dead’ stem cell. It’s another example of people trying to shape the science to fit their policy goals. I think Americans are tired of decisions based on fantasy. They want decisions based on fact.”

Asked why the stem cell debate had raised such strong passions, Mr Tipton said: “The difference between us and the UK is that we have this very powerful political lobby opposed to abortion. They take as their starting point that the fertilised human egg is the legal and moral equivalent of a human being.”

Funding fight

–– President Bush allocated $250 million to embryonic stem cell research in 2001
–– This funding applied only to the 61 stem cell lines frozen and already in existence
–– Scientists said that only 21 were viable. They now say that all are redundant
–– 142 new embryonic stem cell lines have been developed between 2001 and 2006 and so are ineligible for federal funding
–– A poll by the Civil Society Institute in 2005 showed that a majority of Americans favoured stem cell research

Hamilton the driving force after water torture ordeal

Lewis Hamilton did not win the Malaysian Grand Prix yesterday — he left that to Fernando Alonso, his McLaren Mercedes teammate — but he stole the Formula One show with a drive of remarkable maturity and razor-sharp competitiveness in conditions that are about as tough as it gets.

In finishing second to follow third place on his debut at the Australian Grand Prix three weeks ago, Hamilton has completed two breathtaking initial drives that are being seen as among the most successful the sport has known.

Hamilton’s performance in Melbourne was hailed by legends such as Niki Lauda and Sir Stirling Moss as among the best debuts they had seen; what he did in the heat and humidity of Sepang yesterday will have convinced them and many others that the Briton is a potential champion.

Over the two races, Hamilton has shown that he is quick enough to hold his own against the best in the world. He loves to mix it with rivals in wheel-to-wheel combat, but he is able to do so without unduly risking his car and, perhaps most impressive, he is metronomically consistent, even under acute competitive pressure.

After a race at the Sepang International Circuit in which he advanced from fourth on the grid to second at the first corner, defended his position brilliantly against Felipe Massa, of Ferrari, and then held his nerve in the closing stages against Kimi Raikkonen, Massa’s teammate, an exhausted Hamilton
called it the toughest contest of his career. “It was the most difficult race I have ever had,” the 22-year-old from Tewin, Hertfordshire, said.

Reflecting on the start — when, on form, neither Hamilton nor Alonso was expected to get on terms with the Ferraris — he said: “To see two Ferraris behind you, two red blobs in the mirror, knowing they are slightly lighter than you and slightly quicker, it was very difficult to keep them behind.”

Hamilton continued in a vein that shows he has not only learnt to walk the walk in Formula One but can talk the talk, too. “Felipe had a couple of moves, but fortunately I was able to trick him to outbrake himself. I could cut across to the point he went off, so I apologise for that,” he said in a remark that was greeted with laughter.

“Then I had Kimi hunting me down for most of the race,” he said. “I can’t explain how tough it was, how hot in the cockpit. I ran out of water, so halfway through the race I didn’t have enough.

“It was getting hotter and hotter. It was nice to have a gap, but I pushed to the end. I had to dig as deep as I could by preserving the energy I had to bring the car to the end. I am overwhelmed.”

Hamilton’s father, Anthony, said that this had been another amazing day for him and his son. He would have been happy had Hamilton finished fourth, where he had started, and was thrilled to see the McLarens get the better of the Ferraris.

Asked whether he was impressed by what his son has achieved in his first two races, Hamilton Sr said: “I’m not, to be quite honest. He’s where he is and it’s where he should be.”

Ron Dennis, the McLaren team principal, who has nurtured Hamilton’s career since the driver was 13, said that this race will have convinced everyone that the decision to promote him from the GP2 Series into Formula One had been the right one. Dennis had been particularly impressed with the composure Hamilton had shown under terrific pressure from Raikkonen.

“To keep his driving tidy and look after the car and do what was necessary to come second displayed a level of professionalism that you wouldn’t expect to find in a guy doing his second grand prix,” Dennis said. And he paid this compliment: “I think now we can all see that Lewis is not just a capable racing driver but also in his approach to life . . . he’s a very good all-round talent.”

As for the other British drivers, Jenson Button finished twelfth for Honda, Anthony Davidson was sixteenth for Super Aguri and David Coulthard retired after 36 laps when a problem developed with his Red Bull’s brake pedal.

US 'concerned' about Iranian nuclear advance

The White House has said it is 'very concerned' about Iran's annoucement today that it has entered the industrial stage of its nuclear programme.

Iran announcement that it has begun enriching uranium with 3,000 centrifuges, is a dramatic expansion of a nuclear programme that has drawn United Nations sanctions and condemnation from the West.

President Mahmoud Ahmadinejad said at a ceremony at the enrichment facility at Natanz that Iran was now capable of enriching nuclear fuel “on an industrial scale.”

Asked if Iran has begun injecting uranium gas into 3,000 centrifuges for enrichment, the country's leading nuclear negotiator, Ali Larijani, replied, “Yes”. He did not elaborate, but it was the first confirmation that Iran had installed the larger set of centrifuges after months of saying it intends to do so. Until now, Iran was only known to have 328 centrifuges operating.
Uranium enrichment can produce fuel for a nuclear reactor or the material for a nuclear warhead. The United States and its allies accuse Iran of intending to produce weapons, a charge the country denies.

The announcement brought quick condemnation from the United States and Europe. In Washington, the State Department spokesman Sean McCormack said Iran’s actions are the reason the UN Security Council and the UN nuclear watchdog “don’t believe Iran’s assurances that their [nuclear] programme is peaceful in nature.”

The move showed Iran was “definitively going in the wrong direction,” said the Foreign Ministry in Germany, which currently holds the presidency of the European Union.

American experts said 3,000 centrifuges was enough to produce a nuclear weapon but said were sceptical of Iran’s claims, saying they had strong doubts Iran really had the capability to operate so many devices, a highly complicated process. “I don’t believe they have 3,000 up and running in any reasonable sense,” said Michael Levi, a nonproliferation expert at the Washington-based Council on Foreign Relations.

The United Nations has vowed to increase sanctions as long as Iran refuses to suspend enrichment. The Security Council first imposed limited sanctions in December, then increased them slightly last month and has set a new deadline of late May.

Iranian state television reported today that an Iranian Revolutionary Guard general who is under travel restrictions urged by the sanctions has visited Russia without any difficulty. General Mohammad Baqer Zolqadr, who is also deputy interior minister for security affairs, was quoted on the state television website as saying that his six-day journey to Moscow, which ended today, showed “the ineffectiveness of the resolution”.

The resolution urges all governments to ban visits by 15 individuals and says that should such visits occur, presumably for exceptional circumstances, the countries should notify a UN committee.

The Russian Foreign Ministry spokesman, Andrei Krivtsov, confirmed that General Zolqadr visited Russia. He told the Associated Press that the resolution does not prohibit visits by the listed individuals but calls for heightened vigilance “directed first of all at people who are directly related to nuclear programmes", suggesting that General Zolqadr was not.

In his speech, President Ahmadinejad insisted Iran has been cooperative with the UN nuclear watchdog, allowing it inspections of its facilities, but he warned, “Don’t do something that will make this great nation reconsider its policies" in a reference to the threat of increased UN sanctions.

Mr Larijani said his country was willing to offer assurances that its programme is peaceful. But he said the West must accept its nuclear programme as a fact. “We are ready to reach understanding with the Westerners through a corridor of real negotiations, in the current situation, in which Iran’s nuclear activities have

been concluded,” state television quoted him as saying. “The understanding regards assuring the other party about the peacefulness of Iran’s nuclear activities. But we do not give in our rights.”

Shiites Call for U.S. to Leave Iraq

BAGHDAD -- Tens of thousands of Shiites _ a sea of women in black abayas and men waving Iraqi flags _ rallied Monday to demand that U.S. forces leave their country. Some ripped apart American flags and tromped across a Stars and Stripes rug.

The protesters marched about three miles between the holy cities of Kufa and Najaf to mark the fourth anniversary of the fall of Baghdad. In the capital, streets were silent and empty under a hastily imposed 24-hour driving ban.
Radical Shiite cleric Muqtada al-Sadr ordered up the march as a show of strength not only to Washington but to Iraq's establishment Shiite ayatollahs as well.

Al-Sadr, who disappointed followers hoping he might appear after months in seclusion, has pounded his anti-American theme in a series of written statements. The most recent came on Sunday, when he called on his Mahdi Army militia to redouble efforts to expel American forces and for the police and army to join the struggle against "your archenemy."

The fiery cleric owes much of his large following to the high esteem in which Shiites hold his father, Ayatollah Mohammed Sadiq al-Sadr, who was assassinated in 1999 by suspected agents of Saddam Hussein. Al-Sadr dropped from view before the start of the latest Baghdad security operation on Feb. 14. U.S. officials say he is holed up in Iran. His followers insist he's returned to Najaf.

Fearing suicide attacks, car bombings or other mayhem in the capital, Iraq's generals ordered all vehicles off the streets for 24 hours starting at 5 a.m. Monday, normally a work day. The capital was eerily quiet, shops were shuttered and locked and reports of sectarian violence fell to near zero.

Police and morgue officials reported finding just seven bodies dumped in the capital, only the second time the number of sectarian assassination and torture victims had dipped that low in the course of the Baghdad security operation. A total of 25 people were killed or found dead in the country Monday, according to police and morgue reports.

A double line of police cordoned the marchers' route from Kufa to Najaf, sister cities on the west bank of the Euphrates River. The holy places, 100 miles south of Baghdad, are a prime destination for Shiite pilgrims.

Among the snapping flags and giant banners, leaflets fluttered to earth, exhorting the marchers in chants of "Yes, Yes to Iraq" and "Yes, Yes to Muqtada. Occupiers should leave Iraq."

Salah al-Obaydi, a senior official in al-Sadr's Najaf organization, called the rally a "call for liberation. We're hoping that by next year's anniversary, we will be an independent and liberated Iraq with full sovereignty."

And the head of al-Sadr's parliamentary bloc, Nassar al-Rubaie, blasted the U.S. presence as an affront to "the dignity of the Iraqi people. After four years of occupation, we have hundreds of thousands of people dead and wounded."

A key Washington official saw it differently.

"Iraq, four years on, is now a place where people can freely gather and express their opinions," Gordon Johndroe, the National Security Council spokesman, said aboard Air Force One. "And while we have much more progress ahead of us _ the United States, the coalition and Iraqis have much more to do _ this is a country that has come a long way from the tyranny of Saddam Hussein."

Col. Steven Boylan, a U.S. military spokesman and aide to Gen. David Petraeus, the U.S. commander in Iraq, praised the peaceful demonstration and said Iraqis "could not have done this four years ago."

Iraqi soldiers in uniform joined the crowd of marchers which stretch for at least three miles and was led by a dozen turbaned clerics, a Sunni Muslim among them. Many marchers, especially youngsters, danced as they moved through the streets, littered with balloons.

Brig. Abdul Kerim al-Mayahi, the Najaf police chief, said there were as many as 600,000 in the march, although other estimates were significantly lower. He said 30 lawmakers made the hike and there was no American troop presence except surveillance from helicopters hovering above.

Monday's demonstration marks four years since U.S. Marines and the Army's 3rd Infantry Division swept into the Iraqi capital 20 days into the American invasion.

Foreign Minister Hoshyar Zebari noted that "mistakes were made" after Saddam was ousted, pointing to decisions made by the first U.S. governor of Iraq, L. Paul Bremer.

"The main mistake was a vacuum left in the fields of security and politics, and the second mistake was how liberating forces became occupation forces," Zebari told Al-Arabiyah television.

Cars were banned from Najaf for 24 hours starting from 8 p.m. Sunday, and buses idled at all city entry points to transport arriving demonstrators or other visitors.

While al-Sadr had ordered his militia to disarm and stay off the streets during the Baghdad crackdown, he has notched up his anti-American rhetoric in three brief but hostile statements demanding the departure of U.S. troops.

"You, the Iraqi army and police forces, don't walk alongside the occupiers, because they are your archenemy," he wrote, apparently referring to three days of clashes between his Mahdi Army militiamen and U.S.-backed Iraqi troops in Diwaniyah, 80 miles south of Baghdad.

A U.S. soldier was killed there Sunday, according to Col. Michael Garrett, with the U.S. Army's 25th Infantry Division. He spoke to reporters in Diwaniyah as American troops continued operations.

On Monday night, police officials in Diwaniyah said the toll since the start of the operation Friday was 14 dead and 47 wounded, both figures including civilians and members of the Mahdi Army. The numbers could not be independently confirmed.

Irán entra de lleno en el enriquecimiento industrial de uranio en un nuevo desafío

Natanz (Iran). - The Iranian president, Mahmud Ahmadineyad, announced that its country “has entered the group of countries that produce nuclear fuel at industrial level”, which means that it has at least 3,000 centrifugal machines already to enrich Uranian. Ahmadineyad today made these declarations during an act of commemoration of the day of the nuclear energy celebrated in the plant of Natanz, to about 300 kilometers of the south of Tehran, and emitted in direct by the Iranian television. “Iran has been member of the Organism the International of Energía Atómica (OIEA) for 35 years according to the norms of the Treaty of Nuclear Proliferation and does not have right besides to produce the nuclear fuel, to take advantage of all its advantages”, said the Iranian agent chief executive. Also it said that “all the members are forced to help the other members and these on the other hand are forced not to turn aside itself of the pacific activities”. “In spite of not to have received these aids, Iran has fulfilled its duties”, it stressed Ahamadineyad and it added that “the Iranian nuclear way is a way without return and the Iranian town is determined to accede to the summit of the nuclear technology”. According to Ahmadineyad, “all the nuclear activities of Iran have been under the supervision of the inspectors of the Organism the International of the Atomic Energy”. The ultraconservative Iranian president also accused the western countries to face Iran and he advised to them to accept the right that its country in this matter has.
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The Iranian president aunció a day like this of the last year that Iran had been able to enrich uranium with a purity of the 3.5 percent and since then this day has been fixed to the Iranian calendar like the day of the nuclear energy. This year the first anniversary of this event with celebration of festejos in all the country is celebrated, and during the celebration celebrated in Natanz, Ahmadineyad notified “good” that had promised previously. Iran told until now between 600 and 800 centrifugal machines for use experimental level of laboratory. In agreement with the last information of the Organism the International of Atomic Energy, the plant of enrichment of Natanz at the most had 1,000 centrifugal machines in different degrees from installation.