Professor Steven Pinker joins Michael Rosen and Dr Laura Wright in the studio for a wide-ranging talk about his love of, and life working in, language. Steven is Johnstone Professor of Psychology at Harvard University and he's come up with some of the biggest and most exciting ideas about language. His books include The Language Instinct, How the Mind Works, and most recently, The Sense of Style: The Thinking Person's Guide to Writing in the 21st Century.