Political integration has been part of the European project from its very beginnings. As far back as the early seventies there was concern in Brussels that an ingredient was missing in the political integration process. ‘Output legitimacy’ – the permissive consensus citizens grant to a government that is ‘delivering’, even if they do not participate in setting its goals – could not sustain unification indefinitely. Such a lacking ingredient – or ‘soul’ – has been labelled ‘European identity’ (EI) in an abundant and growing academic literature. According to Aristotle, ‘polity’ is a specific ‘constitution’ (regime or politeia) of a ‘city’ (or polis): a (‘political’) community composed of ‘citizens’ (politai). No polis can exist unles...