Earlier this year the Prime Minister, Keir Starmer, wrote about a group of people he called zealots. And he identified one man in particular who the Prime Minister claimed was costing the country its future. But maybe he's saving it? This is the story of that man, the so-called zealots, and a prime minister who wants to take them on.

Reporter: Katie Gunning

Producer: Matt Russell

Sound design: Dominic Delargy

Artwork: Lola Williams

Editor: Jasper Corbett

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