President Barack Obama, accompanied by first lady Michelle Obama. pauses after speaking at an interfaith healing service at the Cathedral of the Holy Cross in Boston, Thursday, April 18, 2013, for ... more 
President Barack Obama, accompanied by first lady Michelle Obama. pauses after speaking at an interfaith healing service at the Cathedral of the Holy Cross in Boston, Thursday, April 18, 2013, for victims in Monday's Boston Marathon explosions. (AP Photo/Charles Krupa) less 
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Associated Press | Photo By Charles Krupa
Thu, Apr 18, 2013 1:27 PM EDT