Yuval Noah Harari on the origins of racism, the future of Israel and the dangers of AI

Yuval Noah Harari is one of the world's most famous public intellectuals, historians and writers. He is probably most famous for his book 'Sapiens: A Brief History of Humankind'. His most recent book, 'Sapiens: A Graphic History, Volume 2: The Pillars of Civilization' has just been published and offers a different way of telling the story of humankind for a younger audience. Yuval talks to Krishnan about where racism comes from, what the recipe for a dictatorship is and why we should be very careful about how we used artificial intelligence.  Producer: Rachel Evans