S. 1813 · 112th Congress MAP-21 StagePassed a chamber SponsorBarbara Boxer Introduced2011-11-07 Latest action2012-04-24 · Measure laid before Senate by unanimous consent. Follow Summary Text Subjects Cosponsors (3) Votes (25) Actions Cosponsors (3) Max Baucus Former member Senate MT Democrat Jim Inhofe Former member Senate OK Republican David Vitter Former member Senate LA Republican