A reminder that the Spectator / Intelligence Squared debate - "Britain should have a referendum on the EU Treaty" - begins at 18:45 tonight. Standing for the motion are Lord Lamont; Neil O'Brien, the director of Open Europe; and the award-winning historian Andrew Roberts. They'll be opposed by Denis MacShane MP; Vernon Bogdanor, Professor of Government at Oxford University; and David Aaronovitch, the broadcaster and journalist. The debate will be chaired by Andrew Neil.
For live audio click here.