Traditions and norms can seem at best out-of-touch and at worst offensive to many a modern mind. But Israeli computer scientist and Talmud scholar Moshe Koppel argues that traditions and norms--if they evolve slowly--create trust, develop our capacity for deferred gratification, and even, in the case of how we prepare cassava, protect us from poisoning. Listen as the author of Judaism Straight Up: Why Real Religion Endures talks with EconTalk Russ Roberts about tradition, religion, tribalism, resilience, and emergent order.