A24's new action thriller, "Warfare," gives viewers exactly what its title promises: warfare. The film, based on director and retired Special Warfare Operator First Class Ray Mendoza's real-world experience in the Iraq War, is a gritty, real-time combat action between Navy SEAL s and Iraqi insurgents. In order to understand the movie, audiences don't really need to know anything about the context of the battle or the Iraq War: Everything we need to know is happening on the screen. But some