While “American imperialism” has been a catchphrase on the left for a long time, people on other parts of the political spectrum are only now beginning to accept the idea that we have entered the age of the American Empire. How well is America prepared to sustain an empire? Not very. Indeed, the deep hostility to government that is part of the American tradition makes the very idea of empire repugnant. If we don’t want a strong government at home, why would we want one strong enough to rule the world?