⁠ Kathryn Bigelow is happy “A House of Dynamite” is sparking conversations.⁠ ⁠ That’s her initial — and genuinely enthusiastic — response to The Hollywood Reporter when asked about Bloomberg’s recent report that the Pentagon sent out an internal memo about her film, criticizing its depiction of the United States’ nuclear missile defense system. ⁠ ⁠ The movie’s view is based on Bigelow and screenwriter Noah Oppenheim’s extensive research and interviews with experts: They depict with startling detail how, with less than 30 minutes from detection, officials can best, if ultimately insufficiently, respond to an incoming attack, with the current U.S. system able to stop a nuclear missile roughly 50 percent of the time. (“A coin toss,” as the refrain in the movie goes.) Per Bloomberg, the Pentagon counters that its systems “have displayed a 100% accuracy rate in testing for more than a decade.”⁠ ⁠ Writers like The Atlantic’s Tom Nichols, who visited the set for the film, have already dispute...