Amid mud, security Flight 93 dedication begins
Sept 11 Flight 93
Credit: AP
Former President George W. Bush speaks to former President Bill Clinton as former first lady Laura Bush looks on after taking the stage at the dedication of phase 1 of the permanent Flight 93 National Memorial near the crash site of Flight 93 in Shanksville, Pa. Saturday Sept. 10, 2011. (AP Photo/Amy Sancetta)
