Armed Metropolitan Transportation Authority police officers stand guard in New York's Grand Central Station on Monday, May 2, 2011. Security was heightened as a result of the announcement of the ... more 
Armed Metropolitan Transportation Authority police officers stand guard in New York's Grand Central Station on Monday, May 2, 2011. Security was heightened as a result of the announcement of the killing of Osama Bin Laden. less 
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Associated Press | Photo By Stephen Chernin
Mon, May 2, 2011 9:53 AM EDT