0:37 Intro. [Recording date: January 28, 2026.] Russ Roberts: Today is January 28th, 2026, and my guest is philosopher and author, Hanno Sauer. His latest book, and the subject of today’s episode, is The Invention of Good and Evil: A World History of Morality. Hanno, welcome to EconTalk. Hanno Sauer: Thanks for the invite, Russ. […]