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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Murkowski, Lisa [R-AK]* 03/28/2012
Sen. Vitter, David [R-LA]* 03/28/2012
Sen. Sessions, Jeff [R-AL]* 03/28/2012
Sen. Cornyn, John [R-TX]* 03/28/2012
Sen. Risch, James E. [R-ID]* 03/28/2012
Sen. Hoeven, John [R-ND]* 03/28/2012
Sen. Lee, Mike [R-UT]* 03/28/2012
Sen. Portman, Rob [R-OH] 04/23/2012
Sen. Roberts, Pat [R-KS] 04/23/2012