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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Inhofe, James M. [R-OK]* 11/14/2012
Sen. Johanns, Mike [R-NE] 11/15/2012
Sen. Blumenthal, Richard [D-CT] 11/29/2012
Sen. Grassley, Chuck [R-IA] 11/29/2012
Sen. Graham, Lindsey [R-SC] 11/29/2012
Sen. Murray, Patty [D-WA] 11/29/2012
Sen. Blunt, Roy [R-MO] 11/29/2012
Sen. Johnson, Tim [D-SD] 11/29/2012
Sen. Levin, Carl [D-MI] 11/29/2012
Sen. Moran, Jerry [R-KS] 11/29/2012
Sen. Murkowski, Lisa [R-AK] 11/29/2012
Sen. Durbin, Richard [D-IL] 11/29/2012
Sen. Thune, John [R-SD] 11/29/2012
Sen. Kerry, John F. [D-MA] 11/29/2012
Sen. Klobuchar, Amy [D-MN] 11/29/2012
Sen. Hutchison, Kay Bailey [R-TX] 12/05/2012
Sen. Nelson, Ben [D-NE] 12/05/2012
Sen. Lautenberg, Frank R. [D-NJ] 12/05/2012