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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.

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