With Jenni Murray. Sue Townsend on the latest instalment of Adrian Mole's diary; this time her hero has prostate cancer. How much of a challenge was it to use illness as a subject for comic fiction? Sophie Grigson talks about how to make a great soup. A discussion of the legacy of psychoanalyst Melanie Klein, as a new production of a play about her life opens. And who is responsible for safety on social networking sites?