As logic, this is circular; and as politics, it is tyrannical. If I can claim that Canadians are Americans because they speak the same language, or because we share a common history, that would strike us as an idiotic reason to order an invasion. When a dictator claims the power to define other people’s identity, then the question of their own freedom never arises. If identity is frozen forever at the whim of a ruler, citizens soon find themselves without choices.[...]