Bernie, Richard Linklater’s black comic docudrama about Bernie Tiede, has two great tricks up its sleeve. The first happens to be Carthage, Texas, the city in which both the events that inspired the film and the events that occur within the film take place. Choice in location may not seem like an impressive sleight of hand, but Linklater so successfully installs his production “behind the pine curtain” that we’re not only transported to Carthage proper, we’re drawn into their culture. The townsfolk we meet– bona fide Carthage residents who knew Tiede and witnessed the circus surrounding his 1998 trial– breathe rural, down-home authenticity into Bernie, but more importantly they talk…