Pennsylvania Senators And Family Of Flight 93 Raise Awareness Of Unfinished Memorial In Shanksville

WASHINGTON - DECEMBER 4: U.S. Sen. Robert Casey (D-PA) (2nd R) and U.S. Sen. Pat Toomey (R-PA) (R) greet guests at an event on Capitol Hill to raise awareness of the unfinished national memorial to the passengers and crew of Flight 93 on December 4, 2012 in Washington, DC. The plane was hijacked on September 11 but passengers and crew fought back, crashing the plane into a field in Shanksville, Pennsylvania. (Photo by Brendan Hoffman/Getty Images)