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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Risch, James E. [R-ID]* 09/29/2010
Sen. Crapo, Mike [R-ID]* 09/29/2010
Sen. Enzi, Michael B. [R-WY]* 09/29/2010
Sen. Barrasso, John [R-WY]* 09/29/2010
Sen. Bennett, Robert F. [R-UT] 12/07/2010
Sen. McCain, John [R-AZ] 12/07/2010