Yuval Noah Harari: A History of Humankind 

Yuval Noah Harari, lecturer in the Department of History, the Hebrew University of Jerusalem and author of "Sapiens: A Brief History of Humankind," joins Piya Chattopadhyay for a feature conversation about the origins of humanity, and how homo sapiens came to dominate the planet. He'll also explain where he sees the future of the homo sapien going, and why the agricultural revolution was history's biggest fraud.