Which seems to be the subtext for much of the current discussion, but rarely, at least in my earshot or purview the actual point of consideration. Should this continue to be the case. Kerry all but says this, the anti's all but don't say it.
We seem to have found that the system that works best or at all, in other words practically, is the one in which the nation geographically least suited to occupation and for related reasons best suited to power projection – the United States of America – handles the role of global hegemon or neo-hegemon, or neo-imperial power, producing an equilibrium between nation-state and global-state responsibilities
Can't quite work out the parallel , but somehow TWS Liberty Valence seems apt. "When the legend becomes fact, print the legend".