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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Inhofe, James M. [R-OK]* 12/06/2012
Sen. Franken, Al [D-MN]* 12/06/2012
Sen. Levin, Carl [D-MI]* 12/06/2012
Sen. Murray, Patty [D-WA]* 12/06/2012
Sen. Cardin, Benjamin L. [D-MD]* 12/06/2012
Sen. Blumenthal, Richard [D-CT]* 12/06/2012
Sen. Begich, Mark [D-AK]* 12/06/2012
Sen. Rockefeller, John D., IV [D-WV]* 12/06/2012
Sen. Landrieu, Mary L. [D-LA]* 12/06/2012
Sen. Collins, Susan M. [R-ME] 12/11/2012