“Boisvert said that when he was a child, his best friend was a Canadian who lived across Canusa Street. ‘So, hell, we were back and forth across that road 100 times a day. We didn’t think about it. Border? What border? And now this s— that’s going on.'” It’s less visible than the one Trump has proposed between Mexico and the U.S. But the border to the north is hardening as well.