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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Vitter, David [R-LA]* 05/19/2009
Sen. Isakson, Johnny [R-GA]* 05/19/2009
Sen. Inhofe, James M. [R-OK]* 05/19/2009
Sen. Burr, Richard [R-NC]* 05/19/2009
Sen. Roberts, Pat [R-KS]* 05/19/2009
Sen. Coburn, Tom [R-OK] 05/20/2009
Sen. Risch, James E. [R-ID] 06/10/2009
Sen. Hatch, Orrin G. [R-UT] 07/30/2009