Donald Trump owes his presidency to Hollywood. The 14 seasons he hosted “The Apprentice” transformed his image from tabloid punchline into decisive billionaire. He got his star on the Walk of Fame for playing this role, and millions of Americans bought the fiction. When he turned to politics, though, even after being elected president, A-list Hollywood mostly turned up its nose at him, appalled. Now he seems to want to control what made him, but never paid him much respect. He’s succeeding. Hollywood is no longer protected by its glamour and profit margins. It’s still reeling from the collapse of...