An attack against Israelis in the small hours of the dawn. Hostages taken in front of a stunned world, footage capturing the horror in real time. That could describe not only October 7, 2023, but also September 5, 1972 — the massacre at the Munich Olympics. A new movie, called simply “September 5,” offers a fresh angle on the event. Its focus is how the attacks were covered by ABC News, which beamed the brutality to 900 million people.