President Barack Obama and Joint Chiefs Chairman Gen. Martin Dempsey participate in a ceremony at the Pentagon Memorial,Tuesday, Sept. 11, 2012, to mark the 11th anniversary of the 9/11

 

              President Barack Obama and Joint Chiefs Chairman Gen. Martin Dempsey participate in a ceremony at the Pentagon Memorial,Tuesday, Sept. 11, 2012, to mark the 11th anniversary of the 9/11
President Barack Obama and Joint Chiefs Chairman Gen. Martin Dempsey participate in a ceremony at the Pentagon Memorial,Tuesday, Sept. 11, 2012, to mark the 11th anniversary of the 9/11 attacks. (AP Photo/Carolyn Kaster)