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Andrew Marr discusses the history of confession with the writer John Cornwell, from its origins in the early church to the current day. The psychotherapist Susie Orbach explores whether the confession, both secular and religious, provides psychological relief, and the presenter Vanessa Feltz celebrates its public manifestations, the talk show and radio phone in. The former high-flying Wall Street trader, Turney Duff, is looking for absolution, as he reveals his life of excess. Producer: Katy Hickman.