Don't know about the maths, but the politics is certainly all to play for.  Given the number of Brits who now live in Spain, even the UK may soon be becoming less Eurosceptic.  In reality, European integration s probably happening at a popular level even faster than it is happening at an official, structural level.  Whether there will be a reaction against this at some stage, I don't know, but for most people, an ever deepening level of European integration is now a given.

Index of Frank's Diaries