Well, now, here’s a fine how do you do: Zack Snyder made a good movie. Granted, he’s made good movies before, but it’s been so long since he released his hyper-muscular remake of Dawn of the Dead that seeing him output something that’s actually watchable from start to finish comes off as something of a shock. In the intervening years, he’s made films containing individual sequences worthy of the praise they rightfully receive but which lack a top-to-bottom sense of cohesion; Sucker Punch inadvertently celebrates the male gaze it tries to critique, and Watchmen is at its best in its first twenty minutes, after which the story begins and the…