The ISIS attack on Paris

Daniel Byman, an expert on counterterrorism and Middle East Security, and research director for the Center for Middle East Policy at Brookings, explains what we know and don’t know about the ISIS terrorist attack in Paris and whether he thinks ISIS will strike the U.S. Also, part two of our Paris climate talk series on new technology from Mark Muro, senior fellow and policy director of the Metropolitan Policy Program. “The real danger to me is not taking care of the refugee problem,” argues B...