U.S. Sen. Martin Heinrich (D-NM) discusses new legislation to update Federal mining rules that date from the 1870's. He also discusses the Gold King Mine spill, and how the US EPA must be made to clean up the spill, and its effects downriver. (Photo: The orange-tainted Animas River (foreground) at the confluence with the San Juan River (background) on August 9, 2015 in Farmington, NM)