It’s so cold that marquee-letter putter-uppers can’t be bothered to go back up the metal ladder to fix a typo — even when the screenplay for the movie in question, “Gran Torino” (unlike Doritos, no S), was penned by Fridley native Nick Schenk in a Northeast Minneapolis bar only a mile or so from the theater, with characters inspired by the local Hmong community, several of whom are played by Twin Citians.