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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Collins, Susan M. [R-ME]* 04/27/2010
Sen. Lieberman, Joseph I. [ID-CT]* 04/27/2010
Sen. McCain, John [R-AZ]* 04/27/2010
Sen. Carper, Thomas R. [D-DE]* 04/27/2010