FILE - In this Dec. 28, 2012, file photo, Sen. Bob Corker, R-Tenn., left, and Sen. Lamar Alexander, R-Tenn., leave a news conference where they discussed the fiscal cliff on Capitol Hil

 

              FILE - In this Dec. 28, 2012, file photo, Sen. Bob Corker, R-Tenn., left, and Sen. Lamar Alexander, R-Tenn., leave a news conference where they discussed the fiscal cliff on Capitol Hil
FILE - In this Dec. 28, 2012, file photo, Sen. Bob Corker, R-Tenn., left, and Sen. Lamar Alexander, R-Tenn., leave a news conference where they discussed the fiscal cliff on Capitol Hill in Washington. Corker will be the top Republican on the Foreign Relations Committee in the 113th Congress. (AP Photo/Susan Walsh, File)