President Barack Obama tries to comfort Plaza Towers Elementary School principal Amy Simpson Sunday May 26, 2013, in Moore, Okla., as he views the devastation of the school caused by tornado and ... more 
President Barack Obama tries to comfort Plaza Towers Elementary School principal Amy Simpson Sunday May 26, 2013, in Moore, Okla., as he views the devastation of the school caused by tornado and severe weather last week. (AP Photo/Carolyn Kaster) less 
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Associated Press | Photo By Carolyn Kaster
Sun, May 26, 2013 3:28 PM EDT