The president’s El Paso rally should have been a tricky affair, with the wall, the shutdown, a counter-rally by local Democrat star Beto O’Rourke. But it was a night of wild surprises At the end of Trump rallies, order breaks down and people are tired. To those seeking to shock, injure, annoy or make a point, it’s go time. In El Paso, on the US’s southern border, at Trump’s first campaign-style rally of 2019, two people unfurled the flag of the Soviet Union. This happened inside the El Paso County Coliseum. I was outside in the parking lot, with about...