Finding out the results of British General Elections used to be an up-all-night affair. More recently, people have been going to bed on Election Day at a reasonable hour with a much better idea of what has happened. Why? It's down to the improved reliability of the exit polls. The man who knows more about them than most is the stalwart of BBC coverage, Professor Sir John Curtice. The Freudcast sat down with him to discuss the method amongst the madness, and his reluctant rise to becoming a bit of a celebrity.