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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Collins, Susan M. [R-ME]* 04/28/2010
Sen. Cardin, Benjamin L. [D-MD]* 04/28/2010
Sen. Wyden, Ron [D-OR]* 04/28/2010
Sen. Feinstein, Dianne [D-CA]* 04/28/2010
Sen. Sanders, Bernard [I-VT]* 04/28/2010
Sen. Cantwell, Maria [D-WA]* 04/28/2010
Sen. Levin, Carl [D-MI]* 04/28/2010
Sen. Kerry, John F. [D-MA]* 04/28/2010
Sen. Lautenberg, Frank R. [D-NJ]* 04/28/2010
Sen. Feingold, Russell D. [D-WI] 05/06/2010