Tenn. environment Commissioner Martineau talks power plan's jurisdictional challenges

What jurisdictional challenges exist within states between air agencies and public utility commissions in determining how best to comply with U.S. EPA's Clean Power Plan? During today's OnPoint, Bob Martineau, president of the Environmental Council of the States and a commissioner of the Tennessee Department of Environment and Conservation, explains how states are working behind the scenes to figure out next steps on the power plan.