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. Healthy disagreement used to be a sign of a well functioning society. But today, many democracies across the world are suffering a crisis of faith in the values of debate and a trend of refusing to engage with those who do not share the same views. Journalist, political analyst, and best-selling author Anand Giridharadas explores these ideas in his new book The Persuaders: Winning Hearts and Minds in a Divided Age. In this episode, in conversation with oceanographer and television presenter, Helen Czerski, he discusses how we've ended up here and the best ways to move forward. … 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