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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Cochran, Thad [R-MS]* 07/06/2011
Sen. Murray, Patty [D-WA]* 07/06/2011
Sen. Rockefeller, John D., IV [D-WV]* 07/06/2011
Sen. Whitehouse, Sheldon [D-RI]* 07/06/2011
Sen. Kerry, John F. [D-MA] 07/14/2011
Sen. Johnson, Tim [D-SD] 10/31/2011