Linda Colley is the Shelby MC Davis 1958 professor of history at Princeton University and one of the most acclaimed historians of her generation. Her latest book is The Gun, the Ship, and the Pen, which tells the stories of how constitutions around the world were shaped by forces such as warfare, geopolitical upheaval and academic rigour. She speaks with fellow historian and screenwriter Alex von Tunzelmann about the book.  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