Michael Lewis's Liar's Poker is a frank and ugly behind-the-scenes account of life as a young associate in the world of Wall St finance. The book is 35 years old, but the basic dilemma at its heart – whether follow your conscience or your bank balance—remains pertinent. In this episode, Chicago Booth's John Paul Rollert reflects on what the book tells us about ourselves and our professional choices. How long can you stay in a poisonous environment before you become part of it?