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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Coburn, Tom [R-OK]* 07/23/2009
Sen. McCaskill, Claire [D-MO]* 07/23/2009
Sen. Collins, Susan M. [R-ME]* 07/23/2009
Sen. McCain, John [R-AZ]* 07/23/2009
Sen. Lieberman, Joseph I. [ID-CT] 07/29/2009