Hillary Clinton, U.S. Senator from New York and Democratic presidential candidate, waves to supporters after a speech at a primary night event in...
Hillary Clinton, U.S. Senator from New York and Democratic presidential candidate, speaks at a primary night event in Indianapolis, Indiana, U.S., on...
Hillary Clinton, U.S. Senator from New York and Democratic presidential candidate, speaks at a primary night event in Indianapolis, Indiana, U.S., on...
Hillary Clinton, U.S. Senator from New York and Democratic presidential candidate, right, speaks at a primary night event as former U.S. President...
Hillary Clinton, U.S. Senator from New York and Democratic presidential candidate, left, speaks at a primary night event as former U.S. President...
Barack Obama, U.S. Senator from Illinois and Democratic presidential candidate, gestures to the audience during a campaign speech in Indianapolis,...
Barack Obama, U.S. Senator from Illinois and Democratic presidential candidate, shakes hands with supporters after a campaign stop in Indianapolis,...
Barack Obama, U.S. Senator from Illinois and Democratic presidential candidate, speaks during a campaign stop in Indianapolis, Indiana, U.S., on...
Barack Obama, U.S. Senator from Illinois and Democratic presidential candidate, speaks during a campaign stop in Indianapolis, Indiana, U.S., on...
Democratic presidential hopeful Sen. Barack Obama and advisor David Axlerod backstage after speaking during a rally at the North Carolina State...
Democratic presidential candidate Sen. Barack Obama of Illinois and his wife Michelle Obama walk out from behind a curtain to greet the awaiting...
Democratic presidential candidate Sen. Barack Obama of Illinois calls Sen. Bob Casey to thank him for his support in Pennsylvania backstage at the...
Democratic presidential hopeful Sen. Barack Obama greets voters at the Hinkle Fieldhouse Polling station station, May 6, 2008 in Indianapolis,...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina State...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina State...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina State...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina State...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina State...
Democratic presidential hopeful U.S Senator Barack Obama speaks at an event to honor the 60th anniversary of Israel's independence May 8, 2008 in...
Democratic presidential candidate U.S Senator Barack Obama of Illinois calls Sen. Bob Casey to thank him for his support in Pennsylvania backstage at...
Singer John Cougar Mellancamp backstage as Democratic presidential candidate U.S Senator Barack Obama of Illinois and his wife Michelle Obama greet...
Democratic presidential candidate U.S Senator Barack Obama 's wife Michelle Obama waves as she walks out from behind a curtain to greet the awaiting...
Communications director Robert Gibbs watches Democratic presidential candidate U.S Senator Barack Obama of Illinois deliver his speech at the Roberts...
Democratic presidential hopeful U.S Senator Barack Obama greets voters at the Hinkle Fieldhouse Polling station station, May 6, 2008 in Indianapolis,...
Democratic presidential hopeful U.S Senator Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina...
Democratic presidential hopeful U.S Senator Barack Obama greets voters at the Hinkle Fieldhouse Polling station station, May 6, 2008 in Indianapolis,...
Democratic presidential hopeful U.S Senator Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina...
Democratic presidential hopeful U.S Senator Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina...
Democratic presidential hopeful U.S Senator Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina...
Democratic presidential hopeful U.S Senator Barack Obama and his wife Michelle Obama backstage before speaking during a rally at the North Carolina...
Democratic presidential candidate U.S Senator Barack Obama of Illinois and his wife Michelle Obama walk out from behind a curtain to greet the...
Democratic presidential hopeful U.S Senator Barack Obama greets voters at the Hinkle Fieldhouse Polling station station, May 6, 2008 in Indianapolis,...
Democratic presidential hopeful U.S Senator Barack Obama 's wife Michelle Obama backstage before her husband's speech during a rally at the North...
Democratic presidential hopeful U.S Senator Barack Obama 's wife Michelle Obama backstage before her husband's speech during a rally at the North...
Democratic presidential hopeful U.S Senator Barack Obama 's wife Michelle Obama backstage before her husband's speech during a rally at the North...
Democratic presidential hopeful U.S Senator Barack Obama 's wife Michelle Obama backstage before her husband's speech during a rally at the North...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet the crowd after speaking during a rally at the North Carolina...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet the crowd after speaking during a rally at the North Carolina...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet the crowd after speaking during a rally at the North Carolina...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet the crowd after speaking during a rally at the North Carolina...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet the crowd after speaking during a rally at the North Carolina...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet the crowd after speaking during a rally at the North Carolina...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet the crowd after speaking during a rally at the North Carolina...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet the crowd after speaking during a rally at the North Carolina...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet the crowd after speaking during a rally at the North Carolina...
Democratic presidential hopeful Sen. Barack Obama greets people gathered outside of the Raleigh Times Bar May 6, 2008 in Raleigh, North Carolina....
Democratic presidential hopeful Sen. Barack Obama smiles as he speaks at an event to honor the 60th anniversary of Israel's independence May 8, 2008...
Avital Ingber smiles as she meets Democratic presidential hopeful Sen. Barack Obama after he spoke at an event to honor the 60th anniversary of...
Democratic presidential hopeful Sen. Barack Obama speaks at an event to honor the 60th anniversary of Israel's independence May 8, 2008 in Washington...
Democratic presidential hopeful Sen. Barack Obama casts a shadow on the Israeli and American flags while speaking at an event to honor the 60th...
Democratic presidential hopeful Sen. Barack Obama speaks at an event to honor the 60th anniversary of Israel's independence May 8, 2008 in Washington...
Democratic presidential hopeful Sen. Barack Obama listens to his introduction before speaking at an event to honor the 60th anniversary of Israel's...
Democratic presidential hopeful Sen. Barack Obama speaks at an event to honor the 60th anniversary of Israel's independence May 8, 2008 in Washington...
Democratic presidential hopeful Sen. Barack Obama talks on his cell phone after boarding his campaign plane at Midway Airport en-route to Washington...
Democratic presidential hopeful Sen. Barack Obama talks on his cell phone as he boards his campaign plane at Midway Airport en-route to Washington...
Democratic presidential hopeful Sen. Barack Obama talks on his cell phone as he boards his campaign plane at Midway Airport en-route to Washington...
Democratic presidential hopeful Sen. Barack Obama sits on his seat after boarding his campaign plane at Midway Airport en-route to Washington DC, May...
Democratic presidential hopeful Sen. Barack Obama talks on his cell phone as he boards his campaign plane at Midway Airport en-route to Washington...
Democratic presidential hopeful Sen. Barack Obama talks on his cell phone as he boards his campaign plane at Midway Airport en-route to Washington...
Democratic presidential hopeful Sen. Barack Obama talks on his cell phone as he boards his campaign plane at Midway Airport en-route to Washington...