The climate summit may end without a deal

The UN climate summit in Madrid was expected to help nations reach a deal on important global climate policies. Instead, it appears to have only sparked old disagreements between parties of the Paris Climate Agreement. Meanwhile, there a "deal in principle" is struck in Congress that would avert another government shutdown. And, a leader at the EPA, faces questions from the House Science Committee. Find more on the show at politico.com/energy-podcast.