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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Kohl, Herb [D-WI]* 04/06/2011
Sen. Collins, Susan M. [R-ME]* 04/06/2011
Sen. Portman, Rob [R-OH]* 04/06/2011
Sen. Hatch, Orrin G. [R-UT] 05/03/2011
Sen. Boozman, John [R-AR] 05/03/2011