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* = Original cosponsor
Cosponsor Date Cosponsored
Sen. Dorgan, Byron L. [D-ND]* 05/26/2010
Sen. Ensign, John [R-NV]* 05/26/2010
Sen. Begich, Mark [D-AK]* 05/26/2010
Sen. LeMieux, George S. [R-FL]* 05/26/2010