FILE - In this June 6, 2012 file photo, Sen. Pat Roberts, R-Kansas, ranking Republican on the Senate Agriculture Committee, listens at left as Committee Chair Sen. Debbie Stabenow, D-Mi

 

              FILE - In this June 6, 2012 file photo, Sen. Pat Roberts, R-Kansas, ranking Republican on the Senate Agriculture Committee, listens at left as Committee Chair Sen. Debbie Stabenow, D-Mi
FILE - In this June 6, 2012 file photo, Sen. Pat Roberts, R-Kansas, ranking Republican on the Senate Agriculture Committee, listens at left as Committee Chair Sen. Debbie Stabenow, D-Mich. speaks about the farm bill during a news conference on Capitol Hill in Washington. (AP Photo/J. Scott Applewhite)