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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Enzi, Michael B. [R-WY]* 11/29/2010
Sen. Harkin, Tom [D-IA]* 11/29/2010
Sen. Burr, Richard [R-NC]* 11/29/2010
Sen. Cochran, Thad [R-MS] 11/30/2010
Sen. Collins, Susan M. [R-ME] 12/02/2010
Sen. Tester, Jon [D-MT] 12/07/2010