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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Burr, Richard [R-NC]* 03/11/2010
Sen. Rockefeller, John D., IV [D-WV]* 03/11/2010
Sen. Murray, Patty [D-WA]* 03/11/2010
Sen. Sanders, Bernard [I-VT]* 03/11/2010
Sen. Brown, Sherrod [D-OH]* 03/11/2010
Sen. Tester, Jon [D-MT]* 03/11/2010
Sen. Begich, Mark [D-AK]* 03/11/2010
Sen. Burris, Roland [D-IL]* 03/11/2010
Sen. Specter, Arlen [D-PA]* 03/11/2010
Sen. Isakson, Johnny [R-GA]* 03/11/2010
Sen. Graham, Lindsey [R-SC]* 03/11/2010
Sen. Lautenberg, Frank R. [D-NJ] 09/21/2010