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* = Original cosponsor
Cosponsor Date Cosponsored
Sen. Kirk, Mark Steven [R-IL]* 11/28/2011
Sen. Lieberman, Joseph I. [ID-CT] 11/29/2011
Sen. Schumer, Charles E. [D-NY] 11/29/2011
Sen. Nelson, Bill [D-FL] 11/29/2011
Sen. Stabenow, Debbie [D-MI] 11/29/2011
Sen. Nelson, Ben [D-NE] 11/29/2011
Sen. Gillibrand, Kirsten E. [D-NY] 11/29/2011
Sen. Feinstein, Dianne [D-CA] 11/29/2011
Sen. Cardin, Benjamin L. [D-MD] 11/29/2011
Sen. Manchin, Joe, III [D-WV] 11/29/2011
Sen. Kyl, Jon [R-AZ] 11/29/2011
Sen. Heller, Dean [R-NV] 11/29/2011
Sen. Lautenberg, Frank R. [D-NJ] 11/29/2011
Sen. Casey, Robert P., Jr. [D-PA] 11/29/2011
Sen. Brown, Sherrod [D-OH] 11/29/2011
Sen. Tester, Jon [D-MT] 11/29/2011
Sen. Blumenthal, Richard [D-CT] 11/29/2011
Sen. Barrasso, John [R-WY] 11/29/2011
Sen. Brown, Scott P. [R-MA] 11/29/2011
Sen. Johanns, Mike [R-NE] 11/29/2011
Sen. Boozman, John [R-AR] 11/29/2011
Sen. Roberts, Pat [R-KS] 11/29/2011
Sen. Murkowski, Lisa [R-AK] 11/29/2011
Sen. Klobuchar, Amy [D-MN] 11/29/2011
Sen. Collins, Susan M. [R-ME] 11/30/2011
Sen. Snowe, Olympia J. [R-ME] 11/30/2011
Sen. Crapo, Mike [R-ID] 11/30/2011
Sen. Blunt, Roy [R-MO] 11/30/2011
Sen. Moran, Jerry [R-KS] 11/30/2011
Sen. Merkley, Jeff [D-OR] 11/30/2011
Sen. Toomey, Pat [R-PA] 11/30/2011
Sen. Graham, Lindsey [R-SC] 11/30/2011
Sen. Mikulski, Barbara A. [D-MD] 11/30/2011
Sen. Risch, James E. [R-ID] 11/30/2011
Sen. Thune, John [R-SD] 11/30/2011
Sen. Vitter, David [R-LA] 11/30/2011
Sen. Coons, Christopher A. [D-DE] 11/30/2011
Sen. Wyden, Ron [D-OR] 11/30/2011
Sen. Hatch, Orrin G. [R-UT] 11/30/2011
Sen. Lee, Mike [R-UT] 11/30/2011
Sen. Whitehouse, Sheldon [D-RI] 12/01/2011
Sen. Grassley, Chuck [R-IA] 12/01/2011
Sen. Ayotte, Kelly [R-NH] 12/01/2011
Sen. Portman, Rob [R-OH] 12/01/2011
Sen. Pryor, Mark L. [D-AR] 12/01/2011
Sen. Franken, Al [D-MN] 12/01/2011
Sen. Udall, Tom [D-NM] 12/01/2011
Sen. Warner, Mark R. [D-VA] 12/01/2011
Sen. Cornyn, John [R-TX] 12/01/2011
Sen. Bennet, Michael F. [D-CO] 12/01/2011
Sen. Wicker, Roger F. [R-MS] 12/01/2011
Sen. Udall, Mark [D-CO] 12/01/2011
Sen. Boxer, Barbara [D-CA] 12/01/2011
Sen. McCaskill, Claire [D-MO] 12/01/2011