British Prime Minister David Cameron, second from left, and his wife Samantha, second from right, look over the World Trade Center site during a tour of the 21st floor of the 1 World Trade Center with... more 
British Prime Minister David Cameron, second from left, and his wife Samantha, second from right, look over the World Trade Center site during a tour of the 21st floor of the 1 World Trade Center with Port Authority of NY and NJ Executive Director Patrick J. Foye, left, and Deputy Executive Director Bill Baroni, Thursday, March 15, 2012 in New York. (AP Photo/Mary Altaffer, Pool) less 
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Associated Press | Photo By Mary Altaffer, Pool
Thu, Mar 15, 2012 4:55 PM EDT