The documentary filmmakers Kirby Dick, 68, and Amy Ziering, 58, have been collaborating for 20 years. Despite being a bit of an odd pairing — she got her B.A. at Amherst and her Ph.D. at Yale, he dropped out of CalArts; she is divorced, he has been married for 35 years; she is intense, he seems laid-back — they bring out the best in each other. Indeed, while Dick’s first Oscar nom came for a doc he made without Ziering — 2004’s Twist of Faith, which explored sexual abuse in the Catholic Church — they have experienced their greatest successes on projects made together, also tackling subjects related to sexual misconduct: 2012’s The Invisible War, for which they were Oscar-nominated and won a Peabody Award, shined a light on abuse…