Behind the scenes on the Covid WhatsApp leak… Chris Mason speaks to Isabel Oakeshott, the journalist who leaked messages that Matt Hancock sent during Covid. The Former Health Secretary has called it a betrayal.We're also joined by the BBC's Judith Moritz to discuss the findings and failings of MI5, after an inquiry into the Manchester Arena bombing in 2017 finally concludes. And, as families across the UK celebrate World Book Day, the author Michael Rosen jumps in the studio to share his thoughts on altering language in books and his first-hand experience of Covid.Today's episode was presented by Adam Fleming and Chris Mason and was made by Cordelia Hemming with Peter Cooke, Miranda Slade and Danny Wittenberg. The senior news editor was Sam Bonham.

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