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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Nelson, Ben [D-NE]* 09/18/2007
Sen. Thune, John [R-SD]* 09/18/2007
Sen. Martinez, Mel [R-FL]* 09/18/2007
Sen. Domenici, Pete V. [R-NM]* 09/18/2007
Sen. Bingaman, Jeff [D-NM]* 09/18/2007
Sen. Murkowski, Lisa [R-AK]* 09/18/2007
Sen. Allard, Wayne [R-CO]* 09/18/2007
Sen. Crapo, Mike [R-ID]* 09/18/2007
Sen. Isakson, Johnny [R-GA]* 09/18/2007
Sen. Graham, Lindsey [R-SC]* 09/18/2007
Sen. Roberts, Pat [R-KS]* 09/18/2007
Sen. Tester, Jon [D-MT]* 09/18/2007
Sen. Salazar, Ken [D-CO]* 09/18/2007
Sen. Brownback, Sam [R-KS]* 09/18/2007
Sen. Brown, Sherrod [D-OH]* 09/18/2007
Sen. Lincoln, Blanche L. [D-AR]* 09/18/2007
Sen. Collins, Susan M. [R-ME] 09/19/2007
Sen. Dorgan, Byron L. [D-ND] 09/27/2007