U.S. Sen. Saxby Chambliss (R-GA) (2nd L), Sen. Carl Levin (D-MI) (2nd R) and Sen. John McCain (R-AZ) (R) walk after a vote December 17, 2013 on Capitol Hill in Washington, DC. The Senate has passed a cloture vote to clear the way for a final vote of the Ryan-Murray Bipartisan Budget Act of 2013.