9/11 memorial service

NEW YORK, NY - SEPTEMBER 11: U.S. President Barack Obama (R) and first lady Michelle Obama (2R) walk towards the North Pool of the 9/11 Memorial with former President George W. Bush and his wife Laura Bush during the tenth anniversary ceremonies of the September 11, 2001 terrorist attacks at the World Trade Center site, September 11, 2011 in New York City. New York City and the nation are commemorating the tenth anniversary of the terrorist ... more 

NEW YORK, NY - SEPTEMBER 11: U.S. President Barack Obama (R) and first lady Michelle Obama (2R) walk towards the North Pool of the 9/11 Memorial with former President George W. Bush and his wife Laura Bush during the tenth anniversary ceremonies of the September 11, 2001 terrorist attacks at the World Trade Center site, September 11, 2011 in New York City. New York City and the nation are commemorating the tenth anniversary of the terrorist attacks on lower Manhattan which resulted in the deaths of 2,753 people after two hijacked planes crashed into the World Trade Center. (Photo by David Handschuh-Pool/Getty Images) less