Emily Nussbaum: Comic aggression in “Moms Mabley” and “Mike Tyson: Undisputed Truth.”
An old lady sways back and forth onstage, working her jaw. “Can’t no old man do nothin’ for me but bring me a message from a young man,” she says. Her eyes widen, her lips twist, and the crowd roars. The legendary black comic Jackie . . . (Subscription required.)