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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Crapo, Mike [R-ID]* 10/19/2011
Sen. Rubio, Marco [R-FL]* 10/19/2011
Sen. Hutchison, Kay Bailey [R-TX]* 10/19/2011
Sen. Burr, Richard [R-NC]* 10/19/2011
Sen. Enzi, Michael B. [R-WY] 12/01/2011