Ever since the federal Liberals’ poll numbers began cratering in earnest, in mid-summer last year, pundits and commentators have been seized with the question of what might somehow save Justin Trudeau and his wedding party from ignominious defeat. One idea always makes the (rather short) list. It goes like this: Donald Trump retakes the White House and unleashes pandemonium; Canadians detect a similar risk with Pierre Poilievre; they remember the Liberals doing a decent job handling the first Trump administration; and they decide to stick with the devil they know.