President Bush, left, along with, from second from left, first lady Laura Bush, Vice President Dick Cheney and his wife, Lynne Cheney, stand with White House staff and members of Congress as they take part in a moment of silence, marking the sixth anniversary of the Sept. 11 terrorist attacks, Tuesday, Sept. 11, 2007, on the South Lawn of the White House in Washington. (AP Photo/Lawrence Jackson)
