Wendy Sherman, the former lead negotiator on the Iran nuclear deal, talks with David Axelrod about how her experience in social work prepared her for a career in politics and international diplomacy; the inner-workings of the Iran nuclear deal; and what the world must do to stabilize the belligerent regime in North Korea.

To learn more about how CNN protects listener privacy, visit cnn.com/privacy

Learn more about your ad choices. Visit podcastchoices.com/adchoices