Does America’s 2024 election come right down to a alternative between two completely different shades of your loopy uncle, one semi-senile, the opposite vulgar and erratic? A decade in the past, when Donald Trump launched his presidential bid, there was an actual conflict of visions for the US at stake. "Make America nice once more" (Maga) heralded the top of globalisation and the return of tariffs, onerous borders and nationalism: the stuff of the Darkish Ages, so far as institutions on each side of the Atlantic had been involved.