Isabel Hilton talks to Picasso biographer ' John Richardson , who lived forten years in Provence with the great collector of cubist art Douglas Cooper. In his new book, The
Palace of a Thousand Columns, Richardson describes how Braque, Graham Sutherland , Somerset Maugham and Anthony Blunt came to call. Plus the first of a new series exploring the history of attempts to set up Utopian Communities. Producer Jane Graham