Sometimes, it’s the smallest movies that wind up rocking your world. This past May at the Cannes Film Festival, among all the big swings from legendary auteurs, the film that stood out the most to me was an unassuming Canadian comedy by Matthew Rankin set in a world where everyone in Winnipeg spoke Farsi. Now, that film, Universal Language, has a trailer, debuting here, and it’s just as odd and mysterious as the movie itself, which will be theatrically...