My guest today is Nicholas Christakis. Nicholas is a physician, a sociologist, and a professor at Yale University. He'll be known to some of you as the professor who kept his composure in front of a mob of students screaming about Halloween costumes back in 2015 or he may be known to you as the author of many books, including "Connected: The Surprising Power of Our Social networks and How they shape our lives", "Blueprint: The Evolutionary Origins of a Good Society" and "Apollo's Arrow: The Profound and Enduring Impact of Coronavirus on the Way We Live", which will be the focal point of our conversation today. Nicholas and I talk about how the polarized media has harmed our ability to deal with COVID. We talk about the end goal of herd immunity. We talk about whether the incredible speed of the rollout of the vaccine is suspicious. We talk about the ethics of requiring or strongly pressuring people to get the vaccine. We talked about the ethics of encouraging booster shots when man...