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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Lugar, Richard G. [R-IN]* 04/08/2008
Sen. Leahy, Patrick J. [D-VT]* 04/08/2008
Sen. Specter, Arlen [R-PA]* 04/08/2008
Sen. Biden, Joseph R., Jr. [D-DE]* 04/08/2008
Sen. Cornyn, John [R-TX]* 04/08/2008
Sen. Levin, Carl [D-MI]* 04/08/2008
Sen. Lieberman, Joseph I. [ID-CT]* 04/08/2008
Sen. Obama, Barack [D-IL]* 04/08/2008
Sen. McCain, John [R-AZ]* 04/08/2008
Sen. Durbin, Richard [D-IL]* 04/08/2008
Sen. Sununu, John E. [R-NH]* 04/08/2008
Sen. Cardin, Benjamin L. [D-MD]* 04/08/2008
Sen. Smith, Gordon H. [R-OR]* 04/08/2008
Sen. Hagel, Chuck [R-NE]* 04/08/2008
Sen. Coleman, Norm [R-MN]* 04/08/2008
Sen. Bond, Christopher S. [R-MO]* 04/08/2008
Sen. Isakson, Johnny [R-GA] 04/09/2008
Sen. Clinton, Hillary Rodham [D-NY] 04/16/2008
Sen. Carper, Thomas R. [D-DE] 04/23/2008