** FILE ** Sen. John Warner, R-Va., doffs his cap as he arrives at the White House in Washington in this Jan. 5, 2007 file photo, for a meeting between President Bush and members of Congress to discuss the president's revised Iraq strategy. Warner, 80, said Friday, Aug. 31, 2007, he will not seek a sixth term in 2008. (AP Photo/Charles Dharapak, File)