American biologist Edward 0 Wilson is widely regarded as one of the world's greatest living scientists, but in his latest book he makes the case for one of the oldest scientific ideas - the fundamental unity of knowledge. Richard Coles talks to Edward Wilson about the return of Enlightenment values at the cutting edge of science. Plus first-night news from The Blue Room: Nicole Kidman stars in David Hare 's adaptation of Schnitzler's ironic analysis of sexual mores - La Ronde.
Producer Mohit Bakaya