Concerned Scientists' Kimmell on Pruitt's first days at agency, focus on federalism

As U.S. EPA Administrator Scott Pruitt navigates his first week leading the agency, what changes are ahead for the role the federal government will play in environmental protection? During today's OnPoint, Kenneth Kimmell, president of the Union of Concerned Scientists, explains why he believes a shift in regulatory power to the states could be detrimental to the environment. He also weighs in on how new questions surrounding the endangerment finding could shape what we see coming out of EPA on carbon dioxide regulation.