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* = Original cosponsor

CosponsorDate Cosponsored
Sen. Blumenthal, Richard [D-CT]* 03/01/2012
Sen. Lieberman, Joseph I. [ID-CT]* 03/01/2012
Sen. Graham, Lindsey [R-SC]* 03/01/2012
Sen. McCain, John [R-AZ]* 03/01/2012
Sen. Begich, Mark [D-AK]* 03/01/2012
Sen. Sessions, Jeff [R-AL]* 03/01/2012
Sen. Nelson, Ben [D-NE]* 03/01/2012
Sen. Ayotte, Kelly [R-NH]* 03/01/2012
Sen. Coons, Christopher A. [D-DE]* 03/01/2012
Sen. McConnell, Mitch [R-KY]* 03/01/2012
Sen. Mikulski, Barbara A. [D-MD]* 03/01/2012
Sen. Cornyn, John [R-TX]* 03/01/2012
Sen. Schumer, Charles E. [D-NY]* 03/01/2012
Sen. Thune, John [R-SD]* 03/01/2012
Sen. Shaheen, Jeanne [D-NH]* 03/01/2012
Sen. Alexander, Lamar [R-TN]* 03/01/2012
Sen. Gillibrand, Kirsten E. [D-NY]* 03/01/2012
Sen. Risch, James E. [R-ID]* 03/01/2012
Sen. Brown, Sherrod [D-OH]* 03/01/2012
Sen. Chambliss, Saxby [R-GA]* 03/01/2012
Sen. Menendez, Robert [D-NJ]* 03/01/2012
Sen. Blunt, Roy [R-MO]* 03/01/2012
Sen. McCaskill, Claire [D-MO]* 03/01/2012
Sen. Collins, Susan M. [R-ME]* 03/01/2012
Sen. Nelson, Bill [D-FL]* 03/01/2012
Sen. Isakson, Johnny [R-GA]* 03/01/2012
Sen. Lautenberg, Frank R. [D-NJ]* 03/01/2012
Sen. Barrasso, John [R-WY]* 03/01/2012
Sen. Pryor, Mark L. [D-AR]* 03/01/2012
Sen. Coats, Daniel [R-IN]* 03/01/2012
Sen. Feinstein, Dianne [D-CA]* 03/01/2012
Sen. Coburn, Tom [R-OK]* 03/01/2012
Sen. Udall, Mark [D-CO]* 03/01/2012
Sen. Johnson, Ron [R-WI]* 03/01/2012
Sen. Casey, Robert P., Jr. [D-PA]* 03/01/2012
Sen. Crapo, Mike [R-ID]* 03/01/2012
Sen. Bennet, Michael F. [D-CO]* 03/01/2012
Sen. Grassley, Chuck [R-IA]* 03/01/2012
Sen. Wyden, Ron [D-OR]* 03/01/2012
Sen. Heller, Dean [R-NV]* 03/01/2012
Sen. Hutchison, Kay Bailey [R-TX]* 03/01/2012
Sen. Inhofe, James M. [R-OK]* 03/01/2012
Sen. Kyl, Jon [R-AZ]* 03/01/2012
Sen. Lee, Mike [R-UT]* 03/01/2012
Sen. Portman, Rob [R-OH]* 03/01/2012
Sen. Toomey, Pat [R-PA]* 03/01/2012
Sen. Wicker, Roger F. [R-MS]* 03/01/2012
Sen. Shelby, Richard C. [R-AL]* 03/01/2012
Sen. Vitter, David [R-LA]* 03/01/2012
Sen. Burr, Richard [R-NC]* 03/01/2012
Sen. Boozman, John [R-AR]* 03/01/2012
Sen. Brown, Scott P. [R-MA]* 03/01/2012
Sen. Snowe, Olympia J. [R-ME]* 03/01/2012
Sen. Roberts, Pat [R-KS]* 03/01/2012
Sen. Cochran, Thad [R-MS]* 03/01/2012
Sen. Hatch, Orrin G. [R-UT]* 03/01/2012
Sen. Moran, Jerry [R-KS]* 03/01/2012
Sen. Murkowski, Lisa [R-AK]* 03/01/2012
Sen. Rubio, Marco [R-FL]* 03/01/2012
Sen. Johanns, Mike [R-NE]* 03/01/2012
Sen. Kohl, Herb [D-WI]* 03/01/2012
Sen. Durbin, Richard [D-IL]* 03/01/2012
Sen. Franken, Al [D-MN]* 03/01/2012
Sen. Conrad, Kent [D-ND]* 03/01/2012
Sen. Klobuchar, Amy [D-MN]* 03/01/2012
Sen. Enzi, Michael B. [R-WY]* 03/01/2012
Sen. Levin, Carl [D-MI] 03/07/2012