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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Carper, Thomas R. [D-DE]* 06/11/2007
Sen. Isakson, Johnny [R-GA]* 06/11/2007
Sen. Kerry, John F. [D-MA]* 06/11/2007
Sen. Obama, Barack [D-IL]* 06/11/2007
Sen. Lieberman, Joseph I. [ID-CT]* 06/11/2007
Sen. Lambert, Blanche M. [D-AR]* 06/11/2007
Sen. Bayh, Evan [D-IN]* 06/11/2007
Sen. Chambliss, Saxby [R-GA] 07/19/2007
Sen. Burr, Richard [R-NC] 09/12/2007
Sen. Dole, Elizabeth [R-NC] 10/29/2007