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Crew members push the car Denny Hamlin during the NASCAR Pit Crew Challenge in Charlotte, N.C., Thursday, May 19, 2011. (AP Photo/Chuck Burton)

Landon Bonaventure, 5, walks to the edge of floodwater from the Mississippi River, that flooded a dozen homes and businesses, seen in background, in S...

Beach goers ride the waves at the "Wege" in Newport Beach, Calif., Thursday, May 19, 2011. (AP Photo/Chris Carlson)

Claiborne County Parks and Recreation director Michelle Burrell struggles with a tree branch as she attempts to place a cloth flag on its lowest limb...

This photo provided by the U.S. Fish and Wildlife service, a brush fire burns off the side of a road near Manns Harbor, N.C. Thursday, May 19, 2011. A...

This photo provided by the U.S. Fish and Wildlife service shows fire crews working in an area affected by the Pains Bay fire near Manns Harbor, N.C. T...

A boogie boarder rides a wave at the "Wedge" in Newport Beach, Calif., Thursday, May 19, 2011. (AP Photo/Chris Carlson)

This Monday, May 23, 2011 image courtesy of Busch Gardens Tampa shows the Cheetah Hunt coaster at Busch Gardens, Tampa, Fla. Busch Gardens is touting...

In this photo taken May 19, 2011, Courtney Montgomery, right, and her mother Michelle Mescall pose together at Duke University Medical Center in Durha...

In this photo taken May 19, 2011, Courtney Montgomery shows the scars of her heart transplant at Duke University Medical Center in Durham, N.C. Given...

In this photo taken May 19, 2011, Courtney Montgomery, 16, is seen at Duke University Medical Center in Durham, N.C. Given a choice Courtney had refu...

In this May 19, 2011 photo, a sign points the way to new homes for sale in Happy Valley, Ore. An index of home prices in big metro areas has reached i...

This image provided by Glacier National Park shows the avalanche damaged Sperry Chalet May 19, 2011 in Montana. An avalanche slammed into this popular...

ADVANCE FOR USE SUNDAY, JUNE 12, 2011 AND THEREAFTER - In this photo taken May 19, 2011, miners work inside the crater of an illegal gold mining proce...

ADVANCE FOR USE SUNDAY, JUNE 12, 2011 AND THEREAFTER - In this photo taken May 19, 2011, a miner works inside the crater at an illegal gold mining pro...

ADVANCE FOR USE SUNDAY, JUNE 12, 2011 AND THEREAFTER - In this photo taken May 19, 2011, an area of the Amazon is seen after being exploited by illega...

This product image courtesy of Chrysler shows the 2012 Fiat 500 Cabrio. The 2012 Fiat Cabrio convertible went on sale earlier this summer. Its fully a...

Pedestrians use their smart phones in a subway station while police keep pedestrians off the streets during an air raid drill in Taipei, Taiwan, Wedne...

Pedestrians wait in a subway station during an air raid drill in Taipei, Taiwan, Wednesday, May 18, 2011. Taiwan held its decades-old annual air raid...

Two women take naps near the rape blossoms in Seoul, South Korea, Wednesday, May 18, 2011. (AP Photo/Lee Jin-man)

A businessman rushes across a street before an air raid siren begins to wail through the streets of Taipei, Taiwan, Wednesday, May 18, 2011. Taiwan he...

A bee perches on rape blossoms in Seoul, South Korea, Wednesday, May 18, 2011. (AP Photo/Lee Jin-man)

A woman walks among rape blossoms in Seoul, South Korea, Wednesday, May 18, 2011. (AP Photo/Lee Jin-man)

Albanian opposition supporters clash with police as they try to enter the Central Election Commission to protest over the delay in releasing the resul...

Albanian opposition lawmakers clash with police as they try to enter the Central Election Commission to protest over the delay in releasing the result...

Activists of the Women's Movement 'FEMEN' and a group of Ukrainian investors claiming to have been defrauded after investing in apartment buildings ye...

German Chancellor Angela Merkel gestures prior to a meeting on energy issues in the chancellery in Berlin, Germany, Wednesday, May 18, 2011. (AP Phot...

Activists of the Women's Movement 'FEMEN' and a group of Ukrainian investors claiming to have been defrauded after investing in apartment buildings y...

Activists of the Women's Movement 'FEMEN' and a group of Ukrainian investors claiming to have been defrauded after investing in apartment buildings ye...

Activists of the Women's Movement 'FEMEN' and a group of Ukrainian investors claiming to have been defrauded after investing in apartment buildings ye...

Nura Mohammed, 8, sits on the sea wall and contemplates at a beach in Benghazi, Libya, Wednesday, May 11, 2011. Libyans, some deep in mourning others...

President Barack Obama waves to visitors as he walks across the South Lawn of the White House in Washington, Wednesday, May 18, 2011. (AP Photo/Pablo...

A U.S. Army Corps of Engineers personnel looks over sand bags along the rising Mississippi River shore in Natchez, Miss.., Wednesday, May 18, 2011. C...

A man maneuvers in a narrow street in the old city of Benghazi, Libya, Saturday, May 14, 2011. Libyans, some deep in mourning others invigorated by t...

Men walk amid rolled up mats after evening prayers in Benghazi, Libya, Tuesday, May 10, 2011. Libyans, some deep in mourning others invigorated by the...

Stilled cranes surround one of many apartment building projects uncompleted after years of on-off work in Benghazi, the seat of the uprising and a Med...

President Barack Obama boards Air Force One at Andrews Air Force Base, Md., as he travels to New London, Conn., to deliver the commencement address at...

Russian President Dmitry Medvedev gestures during a news conference at a business school in Skolkovo outside Moscow, Russia, Wednesday, May 18, 2011....

Graffiti depicts Moammar Gadhafi as a beast is seen in downtown in Benghazi, Libya, Monday, May 16, 2011. Libyans, some deep in mourning others invigo...

The slaughtered head and neck of a camel killed according to Muslim rites for a wedding feast in the near-abandoned town of Ajdabiya, Libya, Wednesday...

The trace of battles are seen in the road that connects Benghazi with Ajdabiya, Libya, Monday, May 16, 2011. Libyans,some deep in mourning others invi...

An empty coffin is seen after a funeral of a rebel fighter at a cemetery in Benghazi, Libya, Tuesday, May 3, 2011. The fighters body, wrapped in whit...

Lille's midfielder Eden Hazard of Belgium, left, vies for the ball during his French League one soccer match against Sochaux in Villeneuve d'Ascq, no...

A pair of holsteins relax in a farmer's pasture on Wednesday, May 18, 2011 in Plainfield, Vt. (AP Photo/Toby Talbot)

Tyler Clark stands with his dog Buster near caution tape blocking access to an area of high water on the banks of the Atchafalaya River outside of the...

Tyler Clark, left, and his cousin Lance Kimble stand in high water with their dog Buster on the banks of the Atchafalaya River outside of the levee pr...

People visit the Jinsha Site Museum opened for free in Chengdu in southwest China's Sichuan on Wednesday, May 18, 2011. Four museums were opened for f...

People visit the Jinsha Site Museum opened for free in Chengdu in southwest China's Sichuan on Wednesday, May 18, 2011. Four museums were opened for f...

Preakness entrant Sway Away arrives at the Pimlico Race Course in Baltimore on Wednesday, May 18, 2011. Sway Away, trained by Jeff Bonde, is set to ru...

Boston Celtics basketball player Ray Allen addresses an audience during a campaign fundraising event, in Boston, Wednesday, May 18, 2011. President Ba...