Former President Bill Clinton hugs President Barack Obama after President Obama walked 

Former President Bill Clinton hugs President Barack Obama after President Obama walked on stage after Clinton's speech the Democratic National Convention in Charlotte, N.C., on Wednesday, Sept. 5, 2012. (AP Photo/J. Scott Applewhite)
Associated Press
Former President Bill Clinton hugs President Barack Obama after President Obama walked on stage after Clinton's speech the Democratic National Convention in Charlotte, N.C., on Wednesday, Sept. 5, 2012. (AP Photo/J. Scott Applewhite)
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