PG | 1h 45min | Drama, Musical | Dec. 20, 2017 (USA) A new musical that celebrates marriage, family, and the American Dream. Impossible, right? “The Greatest Showman” (2017) isn’t quite new, but it’s the best movie musical to appear in many years. It’s based on the life of visionary showman P.T. Barnum (1810–91), whose Barnum & Bailey Circus, founded in…