As Bernie Sanders and Joe Biden face off for the top spot in the Democratic race, David Plouffe, the former Obama Campaign Manager, joins Christiane Amanpour to give his take on who will win and how. David Simon, the creator behind "The Wire," talks about his new project, "The Plot Against America." Adapted from Philip Roth's 2004 novel, it delves into an alternative reality where the anti-Semitic war hero Charles Lindbergh won the 1940 presidential election. Then our Walter Isaacson sits down with Dr. W. Ian Lipkin, director at the center for infection and immunity at Columbia University, to explain the spread of coronavirus and how we may never totally eradicate it from the world.
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