The sheer impossibility of encompassing jazz bassist, composer, and bandleader Charles Mingus (1922-’79) in a single film limits Don McGlynn’s ambitious 1997 documentary, Charles Mingus: Triumph of the Underdog, from the outset. Which doesn’t mean you shouldn’t see it—it’s playing at the Gene Siskel Film Center, and Mingus’s second wife, Celia Mingus Zaentz, will lead […]