Christiane Amanpour speaks with Andy Slavitt and Sarah Kliff about the role of healthcare in the 2020 race. Minxin Pei joins the program to discuss negotiations between the U.S. and China. Hari Sreenivasan sits down with Kwame Onwuachi, author of “Notes from a Young Black Chef,” to discuss how he beat all odds to become part of a new wave of cooking trailblazers.