Arts news and reviews with John Wilson. James Nesbitt and writer Guy Hibbert discuss their TV drama, which has acquired an added topical resonance as it focuses on whether reconciliation is ever truly possible after a sectarian killing in Northern Ireland. Mercury and Brit nominee Natasha Khan, better known as Bat for Lashes, tells John about her new album. And two years after Polly Stenham's playwriting debut That Face, she returns with Tusk Tusk, a play about a dysfunctional middle class family. Novelist and broadcaster Bidisha reviews the play.