Did an 800-year old piece of parchment really change the world? Nicholas Vincent of the University of East Anglia talks with EconTalk host Russ Roberts about the Magna Carta, the founding document of English law and liberty. The Magna Carta was repudiated just ten weeks after King John issued it. Yet, its impact is still with us today. In this conversation, Vincent explains what led to the Magna Carta and how its influence remains with us today in England and elsewhere.