I saw American Sniper Monday afternoon. I went with a group of guys, most of them either active duty or former military. The theater was packed, and this was a Monday matinee showing. Granted, it’s a federal holiday, and most people in Warner Robins, Georgia have government-related jobs, but not all. The Wall Street Journal duly recorded an opening weekend at $105.3 million, almost double the film’s production budget of $59 million, calling it a “surprise”: Such a massive opening for a mid-budget drama was perhaps Hollywood’s biggest surprise since “Avengers” blew away box-office records by opening to $207 million...