Free Thinking - Man Booker Prize

Sherlock Holmes is investigated by Mark Gatiss and Matthew Sweet as the Museum of London opens an exhibition. Literary critic Alex Clark gives her verdict as the Man Booker Prize is announced. Also the relevance of Plato and Aristotle to contemporary life are debated by the American novelist and philosopher Rebecca Newberger Goldstein and Armand Leroi, Professor of Evolutionary Developmental Biology at Imperial College, London.