If European integration shifts into reverse, the outcome will not be a series of happy and prosperous nation-states, living in a sort of replica of the 1950’s or 1960’s. Southern Germans would wonder whether they were not transferring too much to the north’s old industrial rustbelt; northern Italians who support the anti-EU Lega Nord in the self-styled unit of “Padania” would want to escape from the rule of Rome and the south.