Presented by John Humphrys and Evan Davis. Jonah Fisher reports on Gordon Brown's call for world leaders to tell President Mugabe that 'enough is enough'. Mark Devenport reports on the deal between the Conservatives and the Ulster Unionist Party. Phil Mercer reports on a surge in binge drinking in Australia. Author David Strahan and energy analyst Nick Macgregor discuss the fall in oil prices. Back-bencher Bob Marshall-Andrews explains his anger at the police searching the offices of MP Damian Green with former Lib Dem leader Sir Menzies Campbell. Broadcaster Joan Bakewell and chairman of GMTV Clive Jones discuss whether older women are represented fairly on news programmes. Thought for the day with Brian Draper of the London Institute for Contemporary Christianity. Conservative MP Peter Luff and former Labour MP Nick Raynsford discuss bipartisanship in politics. Greg Wood, Martin Shankleman and Kevin Green, chief exec of the Recruitment and Employment Federation, discuss if the dramatic rise in unemployment in the US could soon be seen in the UK. Cambridge University students discuss putting the first teddy bears into space. Journalist Chris McGreal says there is no sense that Robert Mugabe has any control of the situation and that Zimbabwean people will endure. Botswana Foreign Minister Phandu Skelemani says that the decision to get rid of the leader must be Zimbabwe's. Entrepreneur Dao Tran-Boyd, retired saver Bryan Boardman and banker Peter McNamara discuss the impact of the latest fiscal and monetary policy measures. Author Phillip Holland explains how some traditional phrases could become unknown within a generation. Scholar Luke Nichter explains why 2,000 hours of recordings were made of Richard Nixon.