Carlos Pascual, fmr. U.S. ambassador to Mexico, and Philip Rucker of The Washington Post discuss U.S.-Mexico relations following Donald Trump's order to build a wall on the countries' border. Michael Froman, former trade representative under Barack Obama, discusses Trump's removal of the U.S. from the Trans-Pacific Partnership and the implications of his intent to build a wall on the U.S.-Mexico border. Richard Haass, the president of the Council on Foreign Relations, discusses his latest book, "A World in Disarray: American Foreign Policy and the Crisis of the Old Order."