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* = Original cosponsor
Cosponsor Date Cosponsored
Sen. Collins, Susan M. [R-ME]* 12/10/2010
Sen. Grassley, Chuck [R-IA]* 12/10/2010
Sen. Lieberman, Joseph I. [ID-CT]* 12/10/2010
Sen. Voinovich, George V. [R-OH]* 12/10/2010