Is Donald Trump in trouble? After facing hostile questions from Joe Scarborough and Mika Brzezinski Wednesday night--they comprehensively laid out his flip-flops, presented him with damning videotape, and asked him to explain the inconsistencies in detail--Trump was confronted by hostile audience members at MSNBC's televised town-hall forum. When a Muslim questioner got up to ask why he had said such bigoted things about minorities, Trump seemed to struggle while Scarborough forced him to respond. The candidate looked uncomfortable, unhappy, and somewhat lost. It could be a turning point. If only. Of course, none of this actually occurred Wednesday night, just...