President Barack Obama and first lady Michelle Obama attend an interfaith healing service at the Cathedral of the Holy Cross in Boston, Thursday, April 18, 2013, for victims of Monday's Boston ... more 
President Barack Obama and first lady Michelle Obama attend an interfaith healing service at the Cathedral of the Holy Cross in Boston, Thursday, April 18, 2013, for victims of Monday's Boston Marathon explosions. (AP Photo/Charles Krupa) less 
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Associated Press | Photo By Charles Krupa
Thu, Apr 18, 2013 11:47 AM EDT