President Barack Obama waves to the crowd after speaking during a campaign event for Hillary Clinton at Capital University on November 1, 2016 in...
President Barack Obama waves to the crowd before as he takes the stage during a campaign event for Hillary Clinton at Capital University on November...
Brian Willams and Tim Russert moderate the Democratic Presidential Candidates from Cleveland State University in Cleveland, OH on February 26, 2008...
Democratic presidential hopefuls U.S. Sen. Barack Obama and U.S. Sen. Hillary Clinton participate in a debate in the Lyndon B. Johnson Auditorium at...
Democratic presidential candidate Sen. Barack Obama speaks at a rally at Valley Forge High School March 1, 2008 in Parma Heights, Ohio. Obama and...
Democratic presidential candidate Sen. Barack Obama greets supporters after speaking at a rally at Rhode Island College March 1, 2008 in Providence,...
Democratic presidential hopefuls U.S. Sen. Barack Obama and U.S. Sen. Hillary Clinton participate in a debate in the Lyndon B. Johnson Auditorium at...
Democratic presidential candidate Sen. Barack Obama speaks at a rally at Valley Forge High School March 1, 2008 in Parma Heights, Ohio. Obama and...
Democratic presidential candidate Sen. Barack Obama speaks at a rally near San Antonio at the Verizon Wireless Amphitheater February 29, 2008 in...
Democratic presidential candidate Sen. Barack Obama greets supporters at a rally at Valley Forge High School March 1, 2008 in Parma Heights, Ohio....
Young boy holds up a sign supporting Democratic presidential candidate Sen. Barack Obama as the candidate speaks at a rally at Rhode Island College...
Brian Willams and Tim Russert moderate the Democratic Presidential Candidates from Cleveland State University in Cleveland, OH on February 26, 2008...
Democratic presidential hopeful Sen. Barack Obama of Illinois speaks to supporters gathered for a post-primary rally outside the San Antonio...
Democratic presidential hopeful Sen. Barack Obama of Illinois and his wife Michelle greet supporters gathered for a post-primary rally March 4, 2008...
Young boy holds up a sign supporting Democratic presidential candidate Sen. Barack Obama as the candidate speaks at a rally at Rhode Island College...
Democratic presidential hopeful Sen. Barack Obama signs autographs after a debate with Sen. Hillary Clinton at Cleveland State University's Wolstein...
President Barack Obama waves to the crowd before speaking during a campaign event for Hillary Clinton at Capital University on November 1, 2016 in...
Democratic presidential hopeful Sen. Barack Obama of Illinois and his wife Michelle greet supporters gathered for a post-primary rally March 4, 2008...
Democratic presidential hopeful Sen. Barack Obama and his wife Michelle Obama greet supporters as they arrive to a primary campaign rally outside the...
Democratic presidential candidate Sen. Barack Obama speaks at a rally at Valley Forge High School March 1, 2008 in Parma Heights, Ohio. Obama and...
Democratic presidential candidate Sen. Barack Obama speaks at a rally at Valley Forge High School March 1, 2008 in Parma Heights, Ohio. Obama and...
Democratic presidential candidate Sen. Barack Obama speaks at a rally at Rhode Island College March 1, 2008 in Providence, Rhode Island. Obama and...
Democratic presidential hopefuls U.S. Sen. Barack Obama and U.S. Sen. Hillary Clinton participate in a debate Lyndon B. Johnson Auditorium at the...
President Barack Obama takes the stage during a campaign event for Hillary Clinton at Capital University on November 1, 2016 in Columbus, Ohio....
President Barack Obama takes the stage during a campaign event for Hillary Clinton at Capital University on November 1, 2016 in Columbus, Ohio....
Brian Willams and Tim Russert moderate the Democratic Presidential Candidates from Cleveland State University in Cleveland, OH on February 26, 2008...
Brian Willams and Tim Russert moderate the Democratic Presidential Candidates from Cleveland State University in Cleveland, OH on February 26, 2008...
Youngstown Thermal, a thermal heating and cooling provider still in business in Youngstown, Ohio on March 2, 2017. Mahoning County, home to...
Democratic Presidential hopefuls Barack Obama and Hillary Clinton meet for a debate at Cleveland State University.
Barack Obama, U.S. Senator from Illinois and 2008 Democratic presidential candidate, speaks at a primary night event in San Antonio, Texas, U.S., on...
Barack Obama, U.S. Senator from Illinois and 2008 Democratic presidential candidate, and his wife Michelle Obama look over a crowd of supporters at a...
Barack Obama, U.S. Senator from Illinois and 2008 Democratic presidential candidate, speaks at a primary night event in San Antonio, Texas, U.S., on...
Supporters of Barack Obama, senator from Illinois, and Hillary Clinton, U.S. Senator from New York, both 2008 Democratic presidential candidates,...
Hillary Clinton, U.S. Senator from New York, signs autographs after debating Barack Obama, U.S. Senator from Illinois, unseen, at Cleveland State...
Hillary Clinton, U.S. Senator from New York, left, and Barack Obama, U.S. Senator from Illinois, pose during a Democratic presidential debate at...
Hillary Clinton, U.S. Senator from New York, left, and Barack Obama, U.S. Senator from Illinois, participate in a Democratic presidential debate at...
Barack Obama, U.S. Senator from Illinois, signs autographs after debating Hillary Clinton, U.S. Senator from New York, unseen, at Cleveland State...
Hillary Clinton, U.S. Senator from New York, left, and Barack Obama, U.S. Senator from Illinois, participate in a Democratic presidential debate at...
Hillary Clinton, U.S. Senator from New York, left, and Barack Obama, U.S. Senator from Illinois, participate in a Democratic presidential debate at...
Barack Obama, U.S. Senator from Illinois and 2008 Democratic presidential candidate, smiles at supporters during a campaign rally at Rhode Island...
Barack Obama, U.S. Senator from Illinois and 2008 Democratic presidential candidate, greets supporters during a campaign rally at Rhode Island...
Posing for a group photo prior to a Democratic presidential debate, are from left to right, Representative Dennis Kucinich of Ohio, Illinois Senator...
Participating in a Democratic presidential debate, are from left to right, Representative Dennis Kucinich of Ohio, Illinois Senator Barack Obama,...
Democratic presidential candidates, from left to right, Joe Biden, senator from Delaware, Chris Dodd, senator from Connecticut, Bill Richardson,...
From left to right: Senator Barack Obama of Illinois, Senator Hillary Clinton of New York, former Senator Mike Gravel of Alaska, former Senator John...
From left to right: Senator Barack Obama of Illinois, Senator Hillary Clinton of New York, former Senator Mike Gravel of Alaska, former Senator John...
Democratic presidential candidates from left to right, Chris Dodd, senator from Connecticut; Joe Biden, senator from Delaware; John Edwards, former...
Democratic presidential candidate Sen. Barack Obama of Illinois,his wife Michelle and his team wait backstage before greeting supporters at a rally...
Democratic presidential hopeful Sen. Barack Obama of Illinois and his wife Michelle greet supporters gathered for a post-primary rally March 4, 2008...
S "Meet the Press" host Tim Russert and NBC anchor person Brian Williams acknowledge an audience before a debate between Democratic presidential...
Democratic presidential hopeful Sen. Barack Obama, D-Ill., walks to the U.S. Capitol with House superdelegates after they emerged from a meeting at...
Democratic presidential hopeful Sen. Barack Obama, D-Ill., shakes hands with a tourist as he walks to the U.S. Capitol with House superdelegates...
Supporters of Democratic presidential hopeful Sen. Barack Obama of Illinois at a post-primary rally March 4, 2008 in San Antonio, Texas. Poll results...
Democratic presidential hopeful Sen. Barack Obama of Illinois and his wife Michelle greet supporters gathered for a post-primary rally March 4, 2008...
Democratic presidential hopeful Sen. Barack Obama of Illinois and his wife Michelle greet supporters gathered for a post-primary rally March 4, 2008...
Democratic presidential hopeful Sen. Barack Obama of Illinois and his wife Michelle greet supporters gathered for a post-primary rally March 4, 2008...
Democratic presidential hopeful Sen. Barack Obama of Illinois and his wife Michelle greet supporters gathered for a post-primary rally March 4, 2008...
Democratic presidential hopeful Sen. Barack Obama's speaks during a town hall meeting at Newman Smith High School March 3, 2008 in Carrolton, Texas....
Democratic presidential hopeful Sen. Barack Obama of Illinois, his wife Michelle and his team backstage before greeting supporters gathered for a...
Democratic presidential hopeful Sen. Barack Obama of Illinois, his wife Michelle and his team backstage before greeting supporters gathered for a...
