News and conversation about the big stories of the week with Paddy O'Connell. Liberal Democrat leader Nick Clegg calls for the resignation of Alistair Darling, and Professor Peter Hennessey offers his opinion on whether people are any good with power when they get it. Plus, Hugh Sykes is in Pakistan, while Simon Schama, Kate Adie and David Aaronovitch take a look at the papers, and there's the quiz and a bit of Big Brother silliness. Four people correctly identified that the quiz referred to the retirement of the Irn Bru chairman Robin Barr, one of only two people to hold the secret recipe to the drink, so all four are winners: Peet McKimmie, Henry Dagg, Henry Ashby and Tatiana Ashby.