Sign up for Intelligence Squared Premium here: https://iq2premium.supercast.com/ for ad-free listening, bonus content, early access and much more. See below for details. Anxiety has been mounting around the world concerning Russian president Vladimir Putin's nuclear threats. US president Joe Biden warned that the risk of nuclear "Armageddon" is the highest it has been since the Cuban missile crisis in 1962. This week on The Sunday Debate, we're joined by three experts to understand the realities of nuclear threat, how nuclear strategy has developed in the last 60 years, and whether Russia’s nuclear threats will be deterred. Andrey Baklitskiy is a Senior Researcher in the WMD Programme at the United Nations Institute for Disarmament Research, Marion Messmer is a Senior Researcher in International Security at Chatham House, and William Alberque is Director of Strategy, Technology and Arms Control for the International Institute for Strategic Studies. Our host for this episode is Josh Glancy, special correspondent for The Sunday Times. … We are incredibly grateful for your support. To become an Intelligence Squared Premium subscriber, follow the link: https://iq2premium.supercast.com/  Here’s a reminder of the benefits you’ll receive as a subscriber: Ad-free listening, because we know some of you would prefer to listen without interruption  One early episode per week Two bonus episodes per month A 25% discount on IQ2+, our exciting streaming service, where you can watch and take part in events live at home and enjoy watching past events on demand and without ads  A 15% discount and priority access to live, in-person events in London, so you won’t miss out on tickets Our premium monthly newsletter  Intelligence Squared Merch Learn more about your ad choices. Visit podcastchoices.com/adchoices