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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Coburn, Tom [R-OK]* 05/19/2011
Sen. Enzi, Michael B. [R-WY]* 05/19/2011
Sen. Ayotte, Kelly [R-NH]* 05/19/2011
Sen. Moran, Jerry [R-KS]* 05/19/2011
Sen. Thune, John [R-SD]* 05/19/2011
Sen. Barrasso, John [R-WY]* 05/19/2011
Sen. Coats, Daniel [R-IN]* 05/19/2011
Sen. Isakson, Johnny [R-GA]* 05/19/2011
Sen. Kirk, Mark Steven [R-IL] 06/08/2011
Sen. Hoeven, John [R-ND] 06/09/2011
Sen. Crapo, Mike [R-ID] 06/09/2011
Sen. Brown, Scott P. [R-MA] 09/14/2011