How can leadership lessons from the past be applied to intractable international problems today? In this talk from July 2013, shortly before the 50th anniversary of President John F Kennedy's assignation, the world renowned economist Jeffrey Sachs analysed JFK’s rhetoric of peace and explains how it began a process that led to détente and eventually to the end of the Cold War. How was it that only 8 months after the Cuban missile crisis had brought the world to the brink of self-destruction Kennedy could reach out to the Soviet leader Nikita Khrushchev and persuade him that they shared the same aims and interests? How at such a time of external peril could he dare to ask the American people to look inward and examine their own attitudes towards the Soviet Union? And where, when we need him, is the John Kennedy of the 21st century? Listen to this masterful lecture: part history lesson, part road map for the future. — We’d love to hear your feedback and what you think we should talk about next, who we should have on and what our future debates should be.  Send us an email or voice note with your thoughts to podcasts@intelligencesquared.com or Tweet us @intelligence2.  And if you’d like to support our mission to foster honest debate and compelling conversations, as well as ad-free podcasts, exclusive bonus content, early access and much more, become a supporter of Intelligence Squared.. Just visit intelligencesquared.com/membership to find out more.  Learn more about your ad choices. Visit podcastchoices.com/adchoices