Hosted by Jane Pauley On today's program Ted Koppel looks at how artificial intelligence is being developed for the military Tracy Smith sits down with singer and activist Joan Baez subject of the new documentary Joan Baez I Am a Noise Rita Braver talks with the cast of the Broadway revival of Stephen Sondheim's Merrily We Roll Along Rob Costa talks with former Washington Post editor Marty Baron and Conor Knighton visits forensic scientists who investigate crimes against wildlife See Privacy Policy at https art com privacy and California Privacy Notice at https art com privacy do-not-sell-my-info [... more]