President Barack Obama laughs as he walks to board Air Force One, Sunday, May 5, 2013, in Andrews Air Force Base, Md., en route to speak at the Ohio State University spring commencement, in Columbus, ... more 
President Barack Obama laughs as he walks to board Air Force One, Sunday, May 5, 2013, in Andrews Air Force Base, Md., en route to speak at the Ohio State University spring commencement, in Columbus, Ohio. (AP Photo/Carolyn Kaster) less 
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Associated Press | Photo By Carolyn Kaster
Sun, May 5, 2013 1:00 PM EDT