Sen. Saxby Chambliss, Georgia Republican, one of the so-called Gang of 6, outside of the Senate Chamber, on Capitol Hill in Washington on Wednesday, July 20, 2011. (AP Photo/Harry Hamburg)

Sen. Saxby Chambliss, Georgia Republican, one of the so-called Gang of 6, outside of the Senate Chamber, on Capitol Hill in Washington on Wednesday, July 20, 2011. (AP Photo/Harry Hamburg)