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* = Original cosponsor
Cosponsor Date Cosponsored
Sen. Blumenthal, Richard [D-CT]* 03/19/2012
Sen. Cardin, Benjamin L. [D-MD]* 03/19/2012
Sen. Franken, Al [D-MN]* 03/19/2012
Sen. Klobuchar, Amy [D-MN]* 03/19/2012