RNC 2008

Democratic vice presidential nominee Sen. Joe Biden, D-Del., and wife, Jill, wave to the crowd with presidential nominee, Sen. Barack Obama, D-Ill., his wife, Michelle on the last day of the Democratic National Convention at Invesco Field in Denver.

Tom Van Hoe is rescued from his Iowa home June 12 by Justin Jensen (left) of the Cedar Rapids Fire Department and Jake Siggins of the Lisbon Fire Department. Residents of Cedar Rapids were evacuated after rain had swollen the Cedar River over its banks.

A torn election poster of President Robert Mugabe hangs on a wall in Bulawayo, Zimbabwe. Opposition leader Morgan Tsvangirai beat Mugabe in general elections held in March but did not win the majority necessary to avoid a runoff. That vote is scheduled for June 27. (John Moore/Getty Images)

Supporters listen to Sen. Hillary Clinton during a campaign event at Yankton High School in Yankton, S.D. (Robyn Beck/AFP/Getty Images)

Democratic presidential hopeful Barack Obama addresses a crowd during a rally at Waterfront Park in Portland, Ore. An estimated 75,000 people came out to hear the Illinois senator, who would go on to win the state's primary and inch closer to the party nomination. (Justin Sullivan/Getty Images)

Confetti showers Sen. Hillary Clinton at the Charleston Civic Center in Charleston, W.Va., as she celebrates a strong victory in West Virginia's primary. (Joe Raedle/Getty Images)

Rescuers carry an injured man from a collapsed building in Beichuan county. (Wang Jiaowen/AP)

An antigovernment gunman, loyal to a pro-Syrian group, throws a molotov cocktail toward a TV-broadcasting building that was set on fire, engulfing a poster of slain former Prime Minister Rafiq Hariri. (Nasser Nasser/AP)

Food shortages and sharply rising prices have sparked riots in underdeveloped countries. Global grain stocks are at their lowest levels in decades, and the price of rice has risen 70 percent in the past year. Here is a look at how this crisis is affecting countries around the world. Here, a woman waits for free rice at the Bari Imam Shrine in Islamabad, Pakistan Warrick Page/Getty Images)

Soldiers remove rubble and debris in front of the Big Buddha in Kyacek Tan, south of Yangon, Myanmar. International aid agencies are continuing efforts to deliver aid to Myanmar in order to assist as many as 1 million people made homeless. (Chumsak Kanoknan/Getty Images)

Supporters listen to Sen. Hillary Clinton during a campaign event at Fire Station No. 2 in Merrillville, Ind. (Robyn Beck/AFP/Getty Images)

Supporters celebrate after hearing CNN projections of Hillary Clinton�s win during the primary night party in Philadelphia. (Joe Raedle/Getty Images)

Supporters applaud as they listen to Barack Obama speak in Reading. (Jae C. Hong/AP)

Anti-China protesters hang banners as they scale the cables of the Golden Gate Bridge in San Francisco. Thousands of pro-Chinese and pro-Tibetan activists converged in San Francisco as the Olympic torch traveled through its only stop in North America. (Justin Sullivan/Getty Images)

A stranded traveler uses the courtesy phone at a self-service rebooking center in a Dallas-Fort Worth International Airport terminal Wednesday. The issue stems from an order that the Federal Aviation Administration gave airlines in September 2006 about the bundling of wires in the backup power system for the fuel pump on MD-80 airplanes. The fear is that improperly bundled wires could rub, leading to an electrical short or even fire. The FAA reports that no serious incidents have been blamed on the bundles. (Rich Gershon/Getty Images)

Police officers restrain protesters along the route of the Olympic torch outside Downing Street in London on April 6. (Dan Kitwood/Getty Images)

Police drag away Tibetans as they protest outside the Chinese Embassy in Katmandu, Nepal. The uprising in Tibet is the longest and most sustained challenge to China's 57-year rule in the Himalayan region. It has also focused increased international scrutiny and criticism on China in the run-up to this summer's Olympic Games. (Saurabh Das/AP)

Iraqi Shiite fighters wave their weapons as they celebrate an end to clashes with Iraqi government troops in Basra. Moqtada al-Sadr told his fighters to stand down following a week of fighting with government forces in March. The cease-fire, said to have been brokered in Iran, calmed the violence but left al-Sadr's militia intact--a blow to the credibility of Prime Minister Nouri al-Maliki, who had flown to Basra to personally oversee the crackdown on militias and gangs. (Essam Al-Sudani/AFP/Getty Images)

Castro reads a book during a visit to Chile in November 1971. (AFP/Getty Images)

Supporters of Asif Ali Zardari, husband of slain Pakistani opposition leader Benazir Bhutto, carry away a banner of Bhutto following a campaign rally in Faisalabad. (David Guttenfelder/AP)