Tony Garnett - Film and TV Producer

Stephen Sackur talks to TV and film producer Tony Garnett about his work. Watching TV is something pretty much all of us do for news, sport and entertainment. But how much of what we stare at on the box do we actually remember? His subjects of homelessness, illegal abortion and police corruption point to his radicalism - the uncovered dark corners of British life. How much of his motivation came from the dark corners in his own life?