Should Britain stay in the European Union? Former diplomat Sir Stephen Wall puts the case.
With the crisis continuing in the eurozone, recent polls suggest that the vast majority of the British electorate would be in favour of a referendum on Britain's membership of the European Union.
In the current climate the voices of those in favour of the European project have been noticeable by their absence.
Evan Davis chairs a debate at the London School of Economics on the motion "Britain should stay in the European Union."
Sir Stephen Wall, the former diplomat and EU adviser to Tony Blair, speaks in favour of the motion, arguing his position against a panel who want Britain out.
Roger Helmer - UKIP MEP for the East Midlands
Dr Helen Szamuely - Head of research for the Bruges Group and blogger on Your Freedom and Ours
Mark Reckless - Conservative MP for Rochester and Strood
George Eustice - Conservative MP for Camborne and Redruth
Producer: Hannah Barnes.