President Barack Obama shares a laugh with former first lady Barbara Bush at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, ... more 
President Barack Obama shares a laugh with former first lady Barbara Bush at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. (AP Photo/Charles Dharapak) less 
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Associated Press | Photo By Charles Dharapak
Thu, Apr 25, 2013 4:02 PM EDT