Democrats in Montana are employing a "raunchy" sketch cabaret show to raise money for Rob Quist, the party's banjo-playing nominee in the special election to fill the congressional seat vacated by Ryan Zinke. ... The show, put on by Viscosity Theatre, has earned attention for its "silly, ridiculous and raunchy" skits, such as its trademark "Proud to be a Homosexual" song, which is performed as a parody of "Proud to be an American." ... Quist got in hot water this week after it was reported by the Associated Press that he had been evading paying taxes for nearly a decade....