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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Thune, John [R-SD]* 01/14/2009
Sen. Klobuchar, Amy [D-MN]* 01/14/2009
Sen. Collins, Susan M. [R-ME]* 01/14/2009
Sen. Wicker, Roger F. [R-MS] 01/15/2009
Sen. Begich, Mark [D-AK] 05/04/2009