Summary: <p>Yuval Harari discusses his new book <em>21 Lessons for the 21st Century</em>. Harari addresses the challenge of navigating life in the face of constant and disorienting change. He untangles political, technological, social, and existential issues while offering advice on how to prepare for a very different world than the one we live in now. </p> <p><em>This segment is guest hosted Jenna Flanagan.</em></p>