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* = Original cosponsor
Cosponsor Date Cosponsored
Sen. Johnson, Tim [D-SD]* 06/15/2006
Sen. Grassley, Chuck [R-IA]* 06/15/2006
Sen. Durbin, Richard [D-IL]* 06/15/2006
Sen. Dorgan, Byron L. [D-ND]* 06/15/2006
Sen. Kerry, John F. [D-MA]* 06/15/2006
Sen. Kennedy, Edward M. [D-MA]* 06/15/2006
Sen. Wyden, Ron [D-OR]* 06/15/2006
Sen. Lautenberg, Frank R. [D-NJ]* 06/15/2006
Sen. Lieberman, Joseph I. [D-CT]* 06/15/2006
Sen. Leahy, Patrick J. [D-VT] 06/20/2006