President Barack Obama, accompanied by, from left, New Jersey Gov. Chris Christie, New York Gov. Andrew Cuomo, New York City Mayor Michael Bloomberg and Port Authority Chairman David Samson, greets ... more 
President Barack Obama, accompanied by, from left, New Jersey Gov. Chris Christie, New York Gov. Andrew Cuomo, New York City Mayor Michael Bloomberg and Port Authority Chairman David Samson, greets officers as he arrives to lay a wreath at the National Sept. 11 Memorial at Ground Zero in New York, Thursday, May 5, 2011. less 
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Associated Press | Photo By Charles Dharapak
Thu, May 5, 2011 2:27 PM EDT