Audiences at screenings around the world have been cheering and applauding a macabre scene in a new film by Sacha Baron Cohen in which "Donald Trump" accidentally contracts HIV. "The Brothers Grimsby" opens March 11 in the US, though chances are you're learning that for the first time here, given a decision by Sony Pictures to limit its marketing of the satiric comedy. The studio is concerned about the reaction from the real Donald Trump. At the film's world premiere in London last week, the Daily Telegraph reported that the Trump moment was met with "loud cheering." The Metro newspaper...