SUMMARY: Discover the psychology of why people say yes. Robert Cialdini joins Andy to discuss his seminal research of influence and persuasion, and how to use it ethically in business and life.   SHOW NOTES: 9:04: What Is Pre-Suasion? 12:08: What Is The Difference Between Influence & Manipulation? 14:47: How Does Empathy Relate To Persuasion? 18:16: How Can A Divided Nation Learn To Cooperate? 25:14: How Did Cialdini Influence Warren Buffett?