Yuval Noah Harari is a historian and philosopher whose books — "Sapiens," "Homo Deus," "21 Lessons for the 21st Century," and most recently "Unstoppable Us: How Humans Took Over the World" — have sold more than 40 million copies. He joins Rufus for a wide-ranging conversation about storytelling, life in the Stone Age, the future of democracy, and the threat of AI. --- If you enjoy this episode, check out our interviews with David Wengrow, Jennifer Raff, Christopher Ryan, Ray Dalio, and Jane McGonigal. You can listen to them ad-free by downloading The Next Big Idea app.