Maine Congresswoman Chellie Pingree (D-ME) joined the effort to end marijuana prohibition and start regulating marijuana like alcohol at the federal level. Rep. Pingree, as well as Rep. Eric Swalwell (D-CA), signed on to co-sponsor H.R. 499, the Ending Federal Marijuana Prohibition Act of 2013, on Monday, joining a bipartisan group of supporters in the House. There are currently 14 co-sponsors of the bill. Rep. Jared Polis (D-CO) introduced the Ending Federal Marijuana Prohibition Act of 2013 on February 5.