Today - 29/04/2008

Presented by James Naughtie and John Humphrys. Including: Why have oil prices rocketed? With Simon Wardell of Global Insight and AA president Edmund King. What do the latest national opinion polls really show us? Nick Sparrow of ICM explains. Police in Austria are continuing to question the man who has admitted imprisoning his daughter in the cellar of his house for 24 years. Bethany Bell reports. Australian scientists believe that they have found a way to help people lose weight without eating less food. Why children who go to play groups or day care and mix with other children have a smaller chance of contracting leukaemia. Has American lost its moral authority? With novelist Will Self and historian Simon Schama. Thought for the Day with Akhandadhi Das, a Vaishnav Hindu teacher and theologian. Is Robert Mugabe's regime over? With George Sibotshiwe, spokesman for Morgan Tsvangirai, and Chris McGreal of The Guardian. What do the Conservatives stand for? A pre-election leader interview with David Cameron. How can council tax be made fairer? Local government correspondent John Andrew reports from Exeter. Why are converts from Islam allegedly being subjected to violence and death threats in several countries? Mark Hutchings reports on the resignation of Rt Rev Carl Cooper, Bishop of St David's. Brunson McKinley, who runs the International Organisation for Migration, and Mohamed Adow of Northern Aid discuss the impact of climate change on migration.