A woman walks among flags flying at Pepperdine University in honor of the victims of the Sept. 11, 2001 attacks against the United States, Monday Sept. 10, 2012 in Malibu, Calif. The installation of flags has been an annual event since September 2011 and will remain on display until the close of Pepperdine's 75th anniversary celebrations on Sept. 19. (AP Photo/David McNew)