A weekly discussion on cinema, theatre, books, broadcasting and the visual arts. J.W. Lambert (in the Chair) talks with Peter Ackroyd , Hilary Spurling and Marina Vaizey. This week's subjects: Christopher Morahan 's film Clockwise; the four-part television version of Kingsley Amis's That Uncertain Feeling (Wednesdays. BBC2): Studies of the Nude at Marlborough Fine Art Limited; the National Theatre production of The Threepenny Opera; Stanley Weintraub 's book on the end of the Great War, A Stillness Heard Round the World. Producer PHILIP FRENCH