Tim Marshall in conversation with Catherine Philp on Why We're Living in an Age of Walls

Tim Marshall, renowned journalist and author of Divided, in conversation with the Times diplomatic correspondent Catherine Philp, examine the fault lines that will shape our world for years to come. Walls are going up around the world. Nationalism and identity politics are on the rise once more. What are the causes of this new era of division?  Support this show http://supporter.acast.com/intelligencesquared.  See acast.com/privacy for privacy and opt-out information. Learn more about your ad choices. Visit podcastchoices.com/adchoices