Armed Metropolitan Transportation Authority police officers and city police officer stand among the travelers in New York's Grand Central Station on Monday, May 2, 2011. Security was heightened as a ... more 
Armed Metropolitan Transportation Authority police officers and city police officer stand among the travelers 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 1:24 PM EDT