Russian Prime Minister Vladimir Putin (R) and Vagit Alekperov, chief executive officer of Russia's oil firm LUKOIL (L) grease their faces with oil during visit to a Lukoil stationary oil platform in the Caspian Sea, April 28.

Brady W. Dougan, CEO of Swiss Bank Credit Suisse, looks on during the general assembly of Swiss Bank Credit Suisse CS at the Hallenstadion in Zurich, Switzerland, 30 April 2010.

This satellite photo made Thursday, April 29, 2010 and provided by NASA shows the oil slick in the Gulf of Mexico as it closes in on the Pass a Loutre area of Plaquemines Parish, La.

A Russian firefighter prepares a water canon as a figurehead of a burning floating restaurant is seen in a smoke, at the Moskva River in downtown Moscow, Friday, April 30, 2010.

Kashmiri protestors run for cover as policemen fire teargas shells during a protest against the Indian government in Srinagar, India, Friday, April 30, 2010. A civilian was hit by a stone thrown by another group of demonstrators, protesting against India, at a bus and later died at a hospital, police said.

A Thai soldier wearing pink sandals takes position at his makeshift camp near Chulalongkorn hospital where anti-government protesters make a search for soldiers inside a hospital building Thursday, April 29 in Bangkok, Thailand.

An Afghan man enjoys a sunny day at a swimming pool in Kabul on April 28, 2010. Afghanistan has commemorated the 1992 toppling of a Soviet-backed regime, which led to bloody civil war and arguably to the rise of the Taliban, as the capital Kabul went under security lockdown.

A young Indian village girl lays on a charpoy or traditional Indian bed next to a buffalo on the outskirts of Amritsar, India, Monday, April 26, 2010.

A woman wearing a traditional Sevillana dress looks into a stall at a fair in Seville, April 22, 2010. The fair runs until April 25.

People are seen walking near the Jet d'Eau, a large water jet and one of the largest fountains in the world, as water droplets from the fountain create a rainbow, on the shore of Lake Leman, in the center of Geneva, Switzerland, Thursday, April 29, 2010.

A crew member walks up to a water-tight hatch in the narrow passage way the submarine U.S.S. Alaska Thursday, April 29, 2010, at the Kings Bay Naval Submarine Base, Ga. The Navy says the first U.S. women to serve on submarines will be reporting for undersea duty in less than two years, ending one of the military's few remaining gender barriers.

A man walks past graffiti on a building reading "Smash The Border" in Phoenix, Arizona April 29, 2010. Civil rights groups prepared to challenge to Arizona's immigration crackdown in court as Democratic leaders in Congress said they would unveil the "framework" of a comprehensive overhaul of U.S. immigration laws.

A soldier of the Kremlin subdivision collapse from heat exhaustion near the Tomb of Unknown Soldier in downtown Moscow, Thursday, April 29, 2010.

Pakistani child attend a daily class to learn how to read verses from the Quran at a mosque in a poor neighborhood on the outskirts of Islamabad, Pakistan, Thursday, April 29, 2010.

Jumagull, a 7-year-old Pakistani girl, looks on during a daily class to learn how to read verses from the Quran at a mosque in a poor neighborhood on the outskirts of Islamabad, Pakistan, Thursday, April 29, 2010.

A boat makes its way through crude oil that has leaked from the Deepwater Horizon wellhead in the Gulf of Mexico on April 28, 2010 near New Orleans, Louisiana. An estimated leak of 5,000 barrels of oil a day are still leaking into the gulf.

Cambodian Buddhist monks sit at Bayon temple during the Visak Bochea in Siem Reap province, some 300 kilometers northwest of Phnom Penh on April 28, 2010.Thousands of Cambodian celebrate 2,554 years of Buddha, called 'Visak Bochea', that is the date of Buddha's birth, enlightenment and death on the day of the full moon.

A 737 cockpit sits empty, awaiting seats and instruments at the Boeing plant in Renton, WA on April 5, 2010.

The handout photo taken by Taiwan's airbone police on April 27, 2010 (right) shows an aerial view of rescuers using excavators ro remove rubble and search for buried cars and victims at the site of a landslide that covered the full width of a motorway near the northern port city of Keelung. The landslide smothered a 300 metre-length of the No. 3 Freeway on April 26, shown in the picture at left.

Student in the 10th grade take part in a physics class at a fairground in the southern German city of Bad Cannstatt on April 28, 2010. The student used the fairground rides to demonstrate the effects of curves.

A goat performs wire-walking with a monkey on its back at a zoo in Fuzhou, Fujian province Wednesday, April 28. (Reuters)

Bill Rothschild looks at his crayfish, Cray Aiken, on Tuesday, April 27, 2010, at his home in Granite Springs, N.Y. Bill likes to share his problems with his animals, such as Cray, because they are good listeners.

Fabrice Tourre (C), executive director of the structured products group trading for The Goldman Sachs Group, prepares to testify before the Senate Homeland Security and Governmental Affairs Investigations Subcommittee on Capitol Hill on April 27, 2010 in Washington, DC. The subcommittee is investigating the role of investment banks during the Wall Street financial crisis.