It’s [America] an empire that has all the functions of military empire, if you like. It has the capacity to project itself in terms of force over vast geographical distances. It’s an empire that is remarkably adept at spreading its culture globally. In that sense, it’s an empire with almost unrivaled military and cultural power. But when it comes to what might be called imperial governance, it is an empire which, precisely because it doesn’t recognize its own existence, consistently underperforms.