After years of separation, most recently between galleries in East and West Berlin, Botticelli's drawings for Dante's Divine Comedy have been brought together for the first time in 500 years. Richard Coles and guests discuss the series and the insight they give into the Renaissance understanding of Dante's great poem. And director Neil Bartlett talks about his continuing exploration of early 20th-century drama with a new production of Robin Maugham 's fifties play The Servant.