This is a severely uplifting affair from start to finish: slick, snappy, and sappy. Based on a true story from 1984, Pride begins with a fun, coiffed group of London gay and lesbian activists raising funds to support a beige, dusty Welsh mining community that’s dragging itself through a protracted strike. The thing is, some of those stodgy Welshmen don’t want to touch gross gay money! Then for an hour and a half, a string of instructive sequences—sequences we’ve seen so many times, they’re practically part of our eternal souls—permanently dissolves the very notion of preconceptions and prejudice…