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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Warner, Mark R. [D-VA]* 09/28/2010
Sen. Akaka, Daniel K. [D-HI]* 09/28/2010
Sen. Collins, Susan M. [R-ME]* 09/28/2010
Sen. Voinovich, George V. [R-OH]* 09/28/2010
Sen. Lieberman, Joseph I. [ID-CT]* 09/28/2010
Sen. Tester, Jon [D-MT] 12/02/2010