Mike Mills’s Beginners was a festival and art house hit — a poignant and charming drama, based on the filmmaker’s own life, about a man (Ewan McGregor) whose elderly father (Christopher Plummer) comes out as gay after he was diagnosed with a terminal illness. In terms of film history, however, Beginners — which opened in theaters 10 years ago on June 3, 2011 — will be best remembered as the movie that earned beloved acting vet Plummer his first and only Academy Award. Plummer, who was 82 at t...