Tonight's programme features an interview with Belfast-born poet and novelist Ciaron Carson , whose latest fiction bri ngs time travel and hallucinogenic tea into a story centred on the great Arnolfini portrait by van Eyck. Plus first night-news from the opening of a new play examining the history of the Official Secrets Act in Britain,Epitaph for the Official Secrets Act, and a profile of acclaimed Indian photographer Dayanita Singh. Introduced by Richard Coles.