A Democratic National Convention like no other concludes in America, and anticipation builds for next week's Republican National Convention. Christiane Amanpour is joined by presidential historian Doris Kearns Goodwin to discuss these extraordinary events and how the 2020 presidential race shapes up against it's historic forbears. Then, artist and author Chanel Miller was once only known to the world as Emily Doe, a sexual assault survivor whose powerful anonymous victim impact statement went viral in 2016. Last year she revealed her identity and published an award-winning memoir, “Know My Name”. Miller speaks to Christiane about the struggle to find her voice and what it really means to be a survivor. And our Hari Sreenivasan talks to Jonah Berger, professor at the Wharton School, University of Pennsylvania, about the art of persuasion and his new book “The Catalyst: How to Change Anyone’s Mind."