Catholics block the main access to the Metropolitan Cathedral to prevent supporters of Andres Manuel Lopez Obrador of the Party of the Democratic Revolution from entering the catholic church to promote a full recount of the disputed July 2 presidential election, in downtown Mexico City August 20, 2006. REUTERS/Tomas Bravo (MEXICO)

Thai immigration officials escort American schoolteacher John Mark Karr from his detention centre to the Bangkok international airport August 20, 2006. Thai police escorted Karr to Bangkok airport on Sunday for deportation to the United States to face charges in connection with the 1996 murder of child beauty queen JonBenet Ramsey. REUTERS/Chaiwat Subprasom (THAILAND)

Russia's Andrey Silnov reacts after winning the men's high jump event during the IAAF athletics Grand Prix meeting at the Louis II stadium in Monaco August 20, 2006. REUTERS/Pascal Deschamps (MONACO)

Tiger Woods of the U.S. hits from the sand on the ninth hole in the final round of the 88th PGA Championship golf tournament in Medinah, Illinois August 20, 2006. REUTERS/Matt Sullivan (UNITED STATES)

Members of the Czech Republic's four-man canoe team fall into the water after they crossed the finish line to win the men's C4 200m final during the flat water Canoe and Kayak World Championship in Szeged August 20, 2006. REUTERS/Laszlo Balogh (HUNGARY) FOR BEST QUALITY IMAGE SEE GM1EA3J1NKD01

China centre Yao Ming, who also plays for NBA's Houston Rockets, listens during the launch of WildAid's public awareness campaign to save endangered species and sharks in Beijing August 2, 2006. Yao Ming says he is on track to play in this month's world championships as the national team returned home from its disappointing European warm-up tour, Chinese newspapers reported on Wednesday. REUTERS/Claro Cortes IV (CHINA)

Spanish assistant bullfighter gives the coup de grace to a bull during a bullfight at a bullring in Almeria, southeast Spain August 20, 2006. REUTERS/Francisco Boniilla (SPAIN)

Cast member Samuel L. Jackson holds Kitty Jr., a Burmese python, at the premiere of 'Snakes on a Plane' at the Grauman's Chinese Theatre in Hollywood August 17, 2006. The movie opens in the U.S. on August 18. REUTERS/Mario Anzuoni (UNITED STATES)

Pop star Madonna performs during her concert in Duesseldorf August 20, 2006. REUTERS/Ina Fassbender (GERMANY)

A salesperson waits for customers in front of lists of mobile phone numbers for sale at a shop in Beijing August 11, 2006. China added 5.49 million new mobile phone subscribers a month in the first half of 2006, Xinhua News reported. China now has 426 million mobile phone users -- 32.7 for every 100 people -- and 365 million land lines, Xinhua News added. REUTERS/Claro Cortes IV (CHINA)

U.S. pilot Mike Mangold performs during the sixth stage of the 'Red Bull Air Race World Series,' in front of the Parliament in the city centre of Budapest August 20, 2006. REUTERS/Karoly Arvai (HUNGARY)

The main trading floor of the New York York Stock Exchange is pictured May 18, 2006. U.S. stocks opened higher on Thursday, recovering from the previous session's steep losses, as investors adjusted views to the likelihood of more interest rate hikes. REUTERS/Shannon Stapleton

A boy stands in front of a shop displaying dresses for women on a roadside in Kabul July 18, 2006. REUTERS/Ahmad Masood (AFGHANISTAN) Also see image: GF1DTDCIEMAA

A United States flag blows in the breeze next to the prosthetic leg of United States Army veteran Dan Regan in Pismo Beach, California August 18, 2006. Fourteen servicemen and women who lost limbs fighting in Iraq and Afghanistan traveled on Friday from Brook Army Medical Center in Texas to Pismo Beach in California to attend a surf clinic sponsored by a non-profit group called "Operation Comfort". REUTERS/Phil Klein (UNITED STATES)

A girl enjoys swimming at the open-air Chayka swimming pool in Moscow January 18, 2006. The temperature in Moscow dropped to around -30 degrees Celsius (-22 Fahrenheit) on Wednesday. REUTERS/Sergei Karpukhin

Pope Benedict XVI waves to the faithful during Angelus prayer from his summer residence, in Castel Gandolfo, outside Rome August 20, 2006. REUTERS/Dario Pignatelli (ITALY)

An Angolan child sells bread on the street in the country's capital Luanda, April 17, 2005. Angolan priests urged their congregations Sunday to abandon their fear of hospitals so that loved ones could receive treatment for the Marburg virus that has killed more than 200 people. Early in the outbreak, aid agency Medecins Sans Frontieres,one of the only groups operating in the northern Uige Province, said poor infection control at the hospital there was to blame for some of the cases. REUTERS/Mike Hutchings Pictures of the Month April 2005 MH/DY

Colombian anti-explosives soldiers examine a sewer next to the presidential palace as part of increased security measures as the military and police prepare for the August 7 inauguration of President Alvaro Uribe in Bogota August 4, 2006. REUTERS/Kena Betancur (COLOMBIA)

Russia's Tatyana Lebedeva competes in the triple jump at the European athletics championships in Gothenburg (Goteborg) August 9, 2006 REUTERS/Kai Pfaffenbach (SWEDEN)

"Chulapas" (women dressed in Madrid's traditional attire) sit and talk during the feast of La Paloma Virgin in Madrid August 12, 2006. REUTERS/Susana Vera (SPAIN)

A beachgoer stands on the shore in Tel Aviv August 7, 2006. Tel Aviv is a city some 220 km (130 miles) from Lebanon but a world apart from the fighting between Israel and Hizbollah and the daily rocket attacks the group has directed against northern Israel. Tel Aviv's beaches and restaurants are packed. Many residents of Israel's embattled north have found refuge in the city, boosting revenues for local business owners. Picture taken August 7, 2006. REUTERS/Yonathan Weitzman (ISRAEL)

Australian artist Nike Savvas makes final adjustments to her art piece consisting of over 50,000 polystyrene balls at the New South Wales Art Gallery in Sydney August 3, 2006. The sculpture titled "Atomix - Full of Love, Full of Wonder" , vibrates with wind from 10 fans and represents the different "shimmering" colours in a hot, outback landscape. It is part of a sculpture exhibition "Adventures with Form in Space" that will open to the public next week. REUTERS/David Gray (AUSTRALIA) BEST QUALITY AVAILABLE

A ballet dancer rehearses as a man watches in Havana, August 4, 2006. REUTERS/Claudia Daut (CUBA)

Firefighters brave heavy smoke to make sure that spot fires do not start at their position protecting buildings 40 miles east of San Diego, California at the Horse Fire which has consumed more than 7,000 acres July 24, 2006. REUTERS/Fred Greaves (UNITED STATES)

Performers from Italy's Kataklo Athletic Dance Theatre pose in formation for photographers at the Edinburgh Fringe Festival on Calton Hill in Edinburgh, Scotland, August 9, 2006. The festival will run until August 28, 2006. REUTERS/David Moir(BRITAIN)