** FILE ** In this May 23, 2013, file photo Republican Senators Lindsey Graham, R-S.C., center, Sen. John McCain, R-Ariz., left, and Saxby Chambliss, R-Ga., right, take part in a Capitol Hill press conference in Washington to express criticism of President Barack Obama's speech on Afghanistan, terrorism, and the Guantanamo Bay prison. (AP Photo/J. Scott Applewhite, File)

Photo by: J. Scott Applewhite

** FILE ** In this May 23, 2013, file photo Republican Senators Lindsey Graham, R-S.C., center, Sen. John McCain, R-Ariz., left, and Saxby Chambliss, R-Ga., right, take part in a Capitol Hill press conference in Washington to express criticism of President Barack Obama's speech on Afghanistan, terrorism, and the Guantanamo Bay prison. (AP Photo/J. Scott Applewhite, File)