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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Landrieu, Mary L. [D-LA]* 03/13/2007
Sen. Vitter, David [R-LA]* 03/13/2007
Sen. Cornyn, John [R-TX]* 03/13/2007
Sen. Grassley, Chuck [R-IA]* 03/13/2007
Sen. McCain, John [R-AZ] 03/27/2007