President Barack Obama arrives to speak at the University of North Carolina at Chapel Hill, Tuesday, April 24, 2012. (AP Photo/Carolyn Kaster)

Associated Press
President Barack Obama arrives to speak at the University of North Carolina at Chapel Hill, Tuesday, April 24, 2012.  (AP Photo/Carolyn Kaster)
President Barack Obama arrives to speak at the University of North Carolina at Chapel Hill, Tuesday, April 24, 2012. (AP Photo/Carolyn Kaster)
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