Members of the Culinary Workers Union Local 226 join hands at the announcement of the union's endorsement of Senator Barack Obama (D-IL) for president in Las Vegas, Nevada January 9, 2008. The Nevada caucuses are on January 19. REUTERS/Rick Wilking (UNITED STATES) 

U.S. Democratic presidential candidate Senator Barack Obama (D-IL) campaigns at Dartmouth College in Hanover, New Hampshire, January 8, 2008, on the day of the New Hampshire Primary. REUTERS/Jason Reed (UNITED STATES) 

Malay, Indian and Chinese students share a light moment during a gathering at a school in Putrajaya outside Kuala Lumpur August 27, 2007. As Malaysia marks 50 years of independence from British rule this week, the nation remains a split personality -- exposing worrisome racial and religious divides, and stoking fears of more tension ahead of an anticipated early general election. There are still three separate stripes of Malaysians -- Malays, Chinese and Indians -- and racial tensions rumble under the fun-loving surface of this relatively prosperous developing nation. Photo taken on August 27, 2007. REUTERS/Bazuki Muhammad (MALAYSIA) 

Performers play drums in the street parade at the annual Notting Hill Carnival in central London August 27, 2007. More than 50 people were arrested on the first day of this year's Notting Hill Carnival in west London, police said on Monday.
REUTERS/Alessia Pierdomenico (BRITAIN) 

A performer in the street parade dances with a British police officer on duty at the annual Notting Hill Carnival in central London August 27, 2007. More than 50 people were arrested on the first day of this year's Notting Hill Carnival in west London, police said on Monday. REUTERS/Alessia Pierdomenico (BRITAIN) 

Performers play drums in the street parade at the annual Notting Hill Carnival in central London, August 27, 2007. More than 50 people were arrested on the first day of this year's Notting Hill Carnival in west London, police said on Monday. REUTERS/Alessia Pierdomenico (BRITAIN) 

A performer in the street parade dances beside a British police officer on duty at the annual Notting Hill Carnival in central London August 27, 2007. More than 50 people were arrested on the first day of this year's Notting Hill Carnival in west London, police said on Monday. REUTERS/Alessia Pierdomenico (BRITAIN) 

A performer in the street parade dances beside a British police officer on duty at the annual Notting Hill Carnival in central London August 27, 2007. More than 50 people were arrested on the first day of this year's Notting Hill Carnival in west London, police said on Monday. REUTERS/Alessia Pierdomenico (BRITAIN) 

A performer (C) in the street parade dances with British police officers on duty at the annual Notting Hill Carnival in central London August 27, 2007. More than 50 people were arrested on the first day of this year's Notting Hill Carnival in west London, police said on Monday. REUTERS/Alessia Pierdomenico (BRITAIN) 

A performer in the street parade kisses a British police officer on duty at the annual Notting Hill Carnival in central London August 27, 2007. More than 50 people were arrested on the first day of this year's Notting Hill Carnival in west London, police said on Monday. REUTERS/Alessia Pierdomenico (BRITAIN) For best quality see GM1E58O0Q8701 

The faces of Australians are projected onto the sails of the Sydney Opera House at Circular Quay July 6, 2007. The display is part of a world wide campaign called "Make Poverty History" and uses photographs, instead of signatures, to urge world leaders to halve global poverty by the year 2015. REUTERS/Will Burgess (AUSTRALIA) 

Jerry Taylor (C, white cap) holds an Apple iPhone after becoming the first person to purchase the device in San Francisco, California June 29, 2007. REUTERS/Robert Galbraith (UNITED STATES) 

Revellers stand in the rain during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

Elementary students react to the Smithsonian National Zoo's three newly acquired cheetahs while seeing them for the first time at the zoo in Washington May 31, 2007. The three two-year old cheetahs were transferred from White Oak Conservation Center in Yulee, Florida to be a part of the National Zoo's participation in the nation's cheetah breeding program. REUTERS/Molly Riley (UNITED STATES) 

Gurdarshan Gill (rear L) of India takes the oath to become a U.S. citizen during a naturalization ceremony, with more than 1,400 people from 100 countries becoming new U.S. citizens, in San Francisco, California May 22, 2007. REUTERS/Robert Galbraith (UNITED STATES) 

People listen from their house as civil defense workers address the neighborhood during a drill in Guanabacoa, outside Havana May 20, 2007. Cuba is preparing for the upcoming storm season and underwent the annual disaster preparation and training drill known as Operation Meteoro 2007. REUTERS/Claudia Daut (CUBA) 

Local residents line the street as the funeral procession for Marine Lance Cpl. Walter O'Haire passes in Rockland, Massachusetts May 15, 2007. O'Haire was killed May 9 while on duty in Iraq. REUTERS/Brian Snyder (UNITED STATES) 

Actress Drew Barrymore (L) interacts with Paul Tergat, world marathon record-holder from Kenya, during a news conference where Barrymore was named Ambassador against Hunger for the United Nations World Food Program (WFP), on Captiol Hill in Washington, May 10, 2007. Barrymore will join Tergat, a former school feeding program recipient, as Ambassador against hunger as they focus their efforts on school feeding programs. REUTERS/Molly Riley (UNITED STATES) 

U.S. President George W. Bush (L) dances with Senegalese performers from the West African Dance Company during an event marking Malaria awareness day, in the Rose Garden of the White House in Washington April 25, 2007. REUTERS/Jason Reed (UNITED STATES) 

Josh Groban (C) poses with members of the African Children's Choir during the "Idol Gives Back" show at the Walt Disney Concert Hall in Los Angeles April 25, 2007. The "American Idol" special charity event benefits relief programs for children and young people in extreme poverty. The show airs on Fox tonight at 8. REUTERS/Mario Anzuoni (UNITED STATES) 

U.S. President George W. Bush (2nd L) and first lady Laura Bush (R) dance with Senegalese performers from the West African Dance Company during an event marking Malaria awareness day, in the Rose Garden of the White House in Washington, April 25, 2007. REUTERS/Jason Reed (UNITED STATES) 

Veteran David Williams (L) consoles widow Kay Blair (R) before a church service in honour of Aboriginal war veterans after a parade through the streets of Redfern on ANZAC Day in Sydney April 25, 2007. REUTERS/Will Burgess (AUSTRALIA) 

Bryan Clark looks up as he laughs at a story from Virginia Tech Band Director David McKee (R) about his twin brother, Virginia Tech shooting victim Ryan Clark, who was a member of the band, during a memorial service in his hometown of Evans, Georgia, April 21, 2007. REUTERS/Tami Chappell (UNITED STATES) 

Jean-Marie Le Pen (3rd R), France's National Front political party presidential candidate, visits Argenteuil, a northern Paris suburb as he campaigns, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen, France's National Front political party presidential candidate, delivers a speech in Saint Cloud near Paris after his visit in Argenteuil, a northern Paris suburb, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. The slogan reads "Not Pals, nor Black, nor White, nor North African, but French !". REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen, France's National Front political party presidential candidate, delivers a speech in Saint Cloud near Paris after his visit in Argenteuil, a northern Paris suburb, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. The slogan reads "Not Pals, nor Black, nor White, nor North African, but French !". REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen, France's National Front political party presidential candidate, delivers a speech in Saint Cloud near Paris after his visit in Argenteuil, a northern Paris suburb, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. The slogan reads "Not Pals, nor Black, nor White, nor North African, but French !". REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen, France's National Front political party presidential candidate, visits Argenteuil, a northern Paris suburb as he campaigns, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen, France's National Front political party presidential candidate, visits Argenteuil, a northern Paris suburb as he campaigns, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen (L), France's National Front political party presidential candidate, visits Argenteuil, a northern Paris suburb as he campaigns, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen, France's National Front political party presidential candidate, visits Argenteuil, a northern Paris suburb as he campaigns, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen (C), France's National Front political party presidential candidate, delivers a speech as he campaigns in Argenteuil, a northern Paris suburb, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen (C), France's National Front political party presidential candidate, visits Argenteuil, a northern Paris suburb as he campaigns, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen (C), France's National Front political party presidential candidate, visits Argenteuil, a northern Paris suburb as he campaigns, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen, France's National Front political party presidential candidate, visits Argenteuil, a northern Paris suburb as he campaigns, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Jean-Marie Le Pen, France's National Front political party presidential candidate, visits Argenteuil, a northern Paris suburb as he campaigns, April 6, 2007. Le Pen visited a multiracial French suburb at the centre of a "scum" jibe by conservative presidential frontrunner Nicolas Sarkozy on Friday, in a direct challenge to his rival. REUTERS/Benoit Tessier (FRANCE) 

Members of the U.S. men's 4x100m freestyle relay team celebrate after winning the race at the World Aquatics Championships in Melbourne March 25, 2007. REUTERS/David Gray (AUSTRALIA) 

Britain's Chancellor of the Exchequer Gordon Brown (2nd L) and Secretary of State for Education and Skills Alan Johnson (2nd R) speak to pupils participating in a chef training course at Lewisham College in south-east London, March 22, 2007. The government today launched a Green paper which included plans to encourage young people to continue with school or training up to the age of 18. REUTERS/Chris Young/Pool 

A woman walks through the rain past a large campaign banner promoting Germany and Europe in Berlin March 22, 2007. EU president Germany will mark the European Union's 50th anniversary with the so-called Berlin Declaration, due to be issued at a summit on Sunday. The EU began as the six-nation European Economic Community and was created by the Treaty of Rome signed on March 25, 1957. It has grown into a sprawling 27-nation union that is the world's biggest trading bloc and covers most of the continent. REUTERS/Arnd Wiegmann (GERMANY) 

A would-be immigrant is watched by some men as he sits on the sand after being intercepted upon arriving at Balanegra beach in the southern Spanish province of Almeria March 10, 2007. REUTERS/Francisco Bonilla (SPAIN) 

Vietnamese shop for mannequins in Hanoi March 7, 2007. REUTERS/Bazuki Muhammad (VIETNAM) 

Netherlands' Gregory Sedoc (L) celebrates with compatriot Marcel Van Der Westen after winning the final of the 60 metre hurdles during the European indoor athletics championships at the National Indoor Arena in Birmingham, central England March 2, 2007. REUTERS/Phil Noble (BRITAIN) 

Boxer Oscar De La Hoya's remarks are interrupted as opponent Floyd Mayweather (R) flexes in front of him during a promotion for their upcoming title fight, at Union Station in Washington February 21, 2007. De La Hoya is scheduled to fight Mayweather for the junior middleweight championship on May 5 in Las Vegas. REUTERS/Jason Reed (UNITED STATES) 

U.S. Senator and Democratic presidential candidate Hillary Rodham Clinton (D-NY) hugs supporters during a campaign stop at Allen University in Columbia, South Carolina February 19, 2007. REUTERS/Chris Keane (UNITED STATES) 

France's UMP political party presidential candidate Nicolas Sarkozy shakes hands with supporters after a political rally in Saint Denis in the French overseas territories Indian Ocean island of La Reunion, February 15, 2007. REUTERS/Philippe Wojazer (FRANCE) 

Singaporean designer Ashley Isham wears a t-shirt reading 'I'm a size 00' alongside two models at the end of his show during 2007 Autumn/Winter show during London Fashion Week February 15, 2007. REUTERS/Luke MacGregor (BRITAIN) 

Red Cross members and tourists attend to a would-be immigrant at La Tejita beach, near Granadilla de Abona in Spain's Canary Island of Tenerife February 13, 2007. About 43 would-be immigrants were intercepted on their way to reach European soil from Africa, according to Red Cross. REUTERS/Santiago Ferrero (SPAIN) 

A model drinks an energy drink as she gets ready before John Rocha's Autumn/Winter 2007 show at London Fashion Week in London February 12, 2007. REUTERS/Alessia Pierdomenico (BRITAIN) 

Mark Lewis-Francis (2nd R) competes in the heats of the 60 metres event on the second day of the British Indoor Athletics Championships and trials for the European Indoor Athletics Championships at the English Institute of Sport Arena in Sheffield, northern England, February 11, 2007. REUTERS/Phil Noble (BRITAIN) 

A would-be immigrant helps another one upon arriving at a port after being intercepted off the southern Spanish town of Almeria February 2, 2007. REUTERS/Francisco Bonilla (SPAIN) 

France's Luc Abalo (L) tries to score past Germany's Torsten Jansen during their Handball World Cup semi-final match in Cologne, February 1, 2007. REUTERS/Ina Fassbender (GERMANY) 

Pope Benedict XVI waves to children as he celebrates midnight mass in St. Peter's Basilica at the Vatican December 25, 2006. REUTERS/Alessandro Bianchi (VATICAN) 

British rock singer Pete Doherty (C) waits outside of Thames Magistrates Court in east London, November 8, 2006. Doherty is due to appear to hear charges of assault. REUTERS/Toby Melville (BRITAIN) 

Democratic party supporters react as TV news first predict that the Democratic Party will control the U.S. House of Representatives at a midterm election night party for the Democratic Party in Washington, November 7, 2006. Americans voted on Tuesday in elections for Congress that could curb the power of George W. Bush's Republicans, force a change of direction in Iraq and shape the legacy of a president with two years left in office. REUTERS/Jason Reed (UNITED STATES) 

Players of FK Guber from Srebrenica listen to instructions during half-time in their match in Bosnia's Serb Republic's basement league in Srebrenica September 17, 2006. More than a decade after the end of the country's 1992-95 war, FK Guber is a rare example of a multi-ethnic sports team in the Serb Republic, with Muslims and Serbs playing together in the former U.N-protected zone of Srebrenica, where Bosnian Serb troops massacred some 8,000 Muslim men in July 1995. Picture taken September 17, 2006. REUTERS/Damir Sagolj (BOSNIA AND HERZEGOVINA) 

A would-be immigrant is helped by a rescue worker at the port of Santa Cruz de Tenerife in the Spanish Canary island of Tenerife, September 17, 2006. Some 104 would-be immigrants were intercepted aboard a fishing boat as they were trying to reach European soil from Africa, according to authorities. REUTERS/Santiago Ferrero (SPAIN) 

Two residents watch from their apartment as immigrant rights demonstrators walk along 22nd Street during their 44-mile (70km) walk from Chinatown to Batavia in Chicago September 1, 2006. The protesters were marching to the office of House Speaker Dennis Hastert (R-IL) to speak against a U.S. House bill making illegal immigration a felony, which Hastert supports. REUTERS/Joshua Lott (UNITED STATES) 

Carnival-goers in costume play drums at the annual Notting Hill Carnival in London August 28, 2006. Hundreds of thousands of revellers converged on the Notting Hill area on Monday for the final day of Europe's largest street carnival. REUTERS/Luke MacGregor (BRITAIN) 

A carnival goer in costume dances at the annual Notting Hill Carnival in London August 27, 2006. The carnival, which began in 1964, is one of the world's largest street parties. REUTERS/Luke MacGregor (GREAT BRITAIN)