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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Webb, Jim [D-VA]* 03/23/2009
Sen. Graham, Lindsey [R-SC]* 03/23/2009
Sen. Wicker, Roger F. [R-MS]* 03/23/2009
Sen. Coburn, Tom [R-OK]* 03/23/2009
Sen. DeMint, Jim [R-SC]* 03/23/2009
Sen. Roberts, Pat [R-KS]* 03/23/2009
Sen. Grassley, Chuck [R-IA]* 03/23/2009
Sen. Vitter, David [R-LA]* 03/23/2009
Sen. Enzi, Michael B. [R-WY]* 03/23/2009
Sen. Inhofe, James M. [R-OK]* 03/23/2009
Sen. Ensign, John [R-NV]* 03/23/2009
Sen. Crapo, Mike [R-ID]* 03/23/2009
Sen. Cochran, Thad [R-MS]* 03/23/2009
Sen. Murkowski, Lisa [R-AK]* 03/23/2009
Sen. Thune, John [R-SD]* 03/23/2009
Sen. Risch, James E. [R-ID] 08/06/2009
Sen. Brownback, Sam [R-KS] 09/29/2009
Sen. Sessions, Jeff [R-AL] 05/10/2010