When Donald Trump posts a map on Truth Social showing Canada and Greenland overlaid with the American flag and declares his ambition to make Canada the 51st state, he isn't just trolling.
I grew up in the shadow of a fence that was always being rebuilt, watching my father’s crew get stranded when the government decided the border was a battlefield instead of a workplace.
When European Commission President Ursula von der Leyen stood before the European Parliament in Strasbourg and invited Canada to become the bloc’s first "associate member," she…