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* = Original cosponsor
Cosponsor Date Cosponsored
Sen. Kohl, Herb [D-WI]* 04/04/2008
Sen. Murkowski, Lisa [R-AK]* 04/04/2008
Sen. Stevens, Ted [R-AK]* 04/04/2008
Sen. Hutchison, Kay Bailey [R-TX]* 04/04/2008
Sen. Cornyn, John [R-TX]* 04/04/2008
Sen. Wyden, Ron [D-OR] 04/08/2008