A few days before 25 European Presidents and Prime Ministers met in Brussels to try to ratify a constitution, former French President Valery Giscard d'Estaing had dire words of warning. Failure to approve the 265-page text, of which he had been the principal author, would be a disaster for the cause of a united Europe: "We would see the gradual falling apart of the European Union." Well, the summit did collapse in utter failure on Dec. 13. Poland and Spain, as feared, blocked a move by Germany and France to retain their influence in a bigger union. Thus Europe is...