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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Thune, John [R-SD]* 02/15/2011
Sen. Coburn, Tom [R-OK]* 02/15/2011
Sen. Isakson, Johnny [R-GA]* 02/15/2011
Sen. Ensign, John [R-NV]* 02/15/2011
Sen. Grassley, Chuck [R-IA]* 02/15/2011
Sen. Kyl, Jon [R-AZ]* 02/15/2011
Sen. Chambliss, Saxby [R-GA] 03/07/2011
Sen. Kirk, Mark Steven [R-IL] 07/27/2011