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* = Original cosponsor
Cosponsor Date Cosponsored
Sen. Tester, Jon [D-MT]* 05/10/2010
Sen. Isakson, Johnny [R-GA]* 05/10/2010
Sen. Klobuchar, Amy [D-MN]* 05/10/2010
Sen. Begich, Mark [D-AK]* 05/10/2010
Sen. Udall, Mark [D-CO]* 05/10/2010
Sen. LeMieux, George S. [R-FL]* 05/10/2010
Sen. Brown, Sherrod [D-OH] 05/11/2010
Sen. Brown, Scott P. [R-MA] 05/11/2010