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* = Original cosponsor
Cosponsor Date Cosponsored
Sen. Murkowski, Lisa [R-AK]* 02/14/2012
Sen. Collins, Susan M. [R-ME]* 02/14/2012
Sen. Levin, Carl [D-MI]* 02/14/2012
Sen. Klobuchar, Amy [D-MN]* 02/14/2012
Sen. Sanders, Bernard [I-VT]* 02/14/2012
Sen. Landrieu, Mary L. [D-LA]* 02/14/2012