British comics are full of iconic and transgressive characters from Dan Dare to Minnie the Minx. Laurie Taylor talks to professor James Chapman the author of a new book charting the cultural history of British comics. They are joined by the broadcaster Matthew Sweet.Also, Professor Nicoli Nattrass explains why a disproportionate percentage of Black South Africans and African Americans subscribe to conspiracy theories about the origins of AIDS.. Producer: Jayne Egerton.