Nepal, Nov. 11 -- Even as news outlets were readying themselves to call the US presidential election for former vice president Joe Biden, the present incumbent of that high office tweeted from his fantasy land: 'I WON THIS ELECTION, BY A LOT! [sic]'

Perhaps too embarrassed by the outrageous assertion to call it an outright lie, Twitter put a simple disclaimer: 'Official sources may not have called the race when this was tweeted.' Freedom from Trumpism can be expected to make the US re-engage with the rest of the world in a rational manner.

To be sure, America's withdrawal from the global stage wasn't so sudden. The job of carrying the burden of a unipolar world after 1990 was getting to be tiresome. The domestic economy was hollowing ou...