File image of US Democratic presidential nominee Senator Obama and Senator Clinton attending a campaign rally in Orlando, Florida

 
File image of US Democratic presidential nominee Senator Obama and Senator Clinton attending a campaign rally in Orlando, Florida
U.S. Democratic presidential nominee Senator Barack Obama (D-IL) and Senator Hillary Clinton (D-NY) attend a campaign rally in Orlando, Florida, in this file image from October 20, 2008. Clinton emerged on November 13, 2008 as a candidate to be U.S. Secretary of State for president-elect Obama, months after he defeated her in an intense contest for the Democratic presidential nomination. Picture taken October 20, 2008. REUTERS/Jim Young/Files (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)