Did Bruce Lee Really Teach Sharon Tate How to Fight?

(Spoiler warning: The following contains a very minor plot details about “Once Upon a Time… in Hollywood,” and several facts about real people portrayed in the film, including Sharon Tate, Bruce Lee, and Roman Polanski.) During a sweet moment in “Once Upon a Time… in Hollywood,” Margot Robbie’s Sharon Tate watches her own movie in Los Angeles’ Bruin Theater — and briefly flashes back to Bruce Lee training her for the fight scene she sees on-screen. It’s a lovely moment that shows us how hard Tate works at her craft, and the pride she takes in it. It’s also a sympathetic...