President Barack Obama addresses the Democratic National Convention in Charlotte, N.C., on 

President Barack Obama addresses the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012.  (AP Photo/Charles Dharapak)
Associated Press
President Barack Obama addresses the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012. (AP Photo/Charles Dharapak)
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