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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Vitter, David [R-LA]* 07/05/2011
Sen. Blumenthal, Richard [D-CT]* 07/05/2011
Sen. Lieberman, Joseph I. [ID-CT] 07/14/2011
Sen. Sanders, Bernard [I-VT] 07/14/2011
Sen. Feinstein, Dianne [D-CA] 08/01/2011
Sen. Mikulski, Barbara A. [D-MD] 09/13/2012

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