President Barack Obama, first lady Michelle Obama and Massachusetts Gov. Deval Patick attend an interfaith healing service at the Cathedral of the Holy Cross in Boston, Thursday, April 18, 2013, for ... more 
President Barack Obama, first lady Michelle Obama and Massachusetts Gov. Deval Patick 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/Susan Walsh) less 
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Associated Press | Photo By Susan Walsh
Thu, Apr 18, 2013 1:27 PM EDT