Defense Secretary Leon Panetta lays a wreath at the Flight 93 National Memorial during ceremonies commemorating the 11th anniversary of the 9/11 attacks, Monday, Sept. 10, 2012, in Shan

 

              Defense Secretary Leon Panetta lays a wreath at the Flight 93 National Memorial during ceremonies commemorating the 11th anniversary of the 9/11 attacks, Monday, Sept. 10, 2012, in Shan
Defense Secretary Leon Panetta lays a wreath at the Flight 93 National Memorial during ceremonies commemorating the 11th anniversary of the 9/11 attacks, Monday, Sept. 10, 2012, in Shanksville, Pa. (AP Photo/Mandel Ngan, Pool)