Listen in on Warren's conversation with Luke Kemp, Ph.D. author of Goliath's Curse. Luke is a research associate at the Centre for the Study of Existential Risk at the University of Cambridge. He has a background in human geography, international relations and economics, all of which he tutored or lectured in at the Australian National University. Luke is the author of the widely acclaimed book Goliath's Curse. Published in 2025, the book is a historical study of the collapse of human societies from the Bronze Age to the Modern era.