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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Vitter, David [R-LA]* 07/27/2009
Sen. Landrieu, Mary L. [D-LA]* 07/27/2009
Sen. Mikulski, Barbara A. [D-MD]* 07/27/2009
Sen. Merkley, Jeff [D-OR]* 07/27/2009