Some idea of future differences. The preparation of the formal declaration which the EU will approve in Berlin on 25 March to mark the 50th anniversary (half a century!) of the signing of the Treaty of Rome would seem to foreshadow the possible future divide between member states. In this column, I have spoken of the impression that there is currently an attempt to get beyond the current division between: a) those member states which have ratified the Constitutional Treaty and want to retain...