Richard Linklater gives us a masterclass in depicting a real relationship, but his character’s strong alliance with hetero gender norms feels outdated. The 1995 film “Before Sunrise” was meant to be a one-off indie film based on director Linklater’s chance encounter with a woman over the course of a single night. The film’s massive success saw not one but two more films made, and so a three-act, decade-spanning series was born, following the changing relationship between Jesse (Ethan Hawke) and...