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* = Original cosponsor
CosponsorDate Cosponsored
Sen. McCaskill, Claire [D-MO]* 12/14/2011
Sen. Inhofe, James M. [R-OK]* 12/14/2011
Sen. Coburn, Tom [R-OK]* 12/14/2011
Sen. Enzi, Michael B. [R-WY]* 12/14/2011
Sen. Risch, James E. [R-ID] 12/16/2011