Rebecca Rubin News Editor, OnlineChristopher Nolan’s sci-fi epic “Tenet” will launch in Chinese theaters on Sept. 4.The movie, starring John David Washington and Robert Pattinson, is expected to be the first major Hollywood release since the pandemic forced cinemas to close in the country starting in January.The studio got approval last week to debut “Tenet” in China, signaling a reversal in reopening guideline from the National Film Bureau.