Donald Trump has articulated clearly, if somewhat vaguely and incoherently, his anti-globalist, anti-UN approach on foreign policy. For instance, in late February he told a right-wing audience at the Conservative Political Action Conference that “there is no such thing as a global anthem, a global currency, or a global flag. This is the United States that I am representing. I am not representing the globe.” A similar sentiment was expressed to Congress a few days later in a tone of voice and choice of words praised by media wonks as ‘presidential.’ On this occasion Trump said, “[m]y job is not to represent the world. My job is to represent the United States of America.” Such rhetoric coming from a normal American leader would probably be interpreted as an expression of geopolitical humility, implicitly rejecting the standard insistence on American exceptionalism, exemplified in recent times by the project to create and...