“As it grows to 27 countries, the European Union is the most successful example of peaceful regime change in our time. More than half its member states were dictatorships well within living memory. Their advance towards liberal democracy has gone hand in hand with their advance towards membership of what is now the European Union. In every corner of the continent most people are better off and more free than they were half a century ago. Yet everyone knows that, beneath the surface, political Europe is not in party mood about itself. “