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* = Original cosponsor
Cosponsor Date Cosponsored
Sen. Inhofe, James M. [R-OK] 09/25/2009
Sen. Grassley, Chuck [R-IA] 09/29/2009
Sen. Casey, Robert P., Jr. [D-PA] 09/29/2009
Sen. Harkin, Tom [D-IA] 09/29/2009
Sen. Cornyn, John [R-TX] 09/30/2009
Sen. Specter, Arlen [D-PA] 10/01/2009