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Michael Billington, James Stourton, Jonathan Carr and Carola Hicks join Andrew Marr.
BBC Radio 4
Sir Jonathan Sacks, Craig Venter, Kathleen Burk and Martin Palmer join Andrew Marr.
Andrew Marr is joined by John Harris, John Banville, Lucy Riall and John O'Farrell.
Guests include John Sutherland, Steven Pinker, Claire Tomalin and Orlando Figes.
Guests include Max Hastings, John Simpson, Karen Armstrong and Joost Hiltermann.