Moscow Moscow Moscow Moscow Moscow Moscow ****
By: Isa Goldberg July 26, 2019: In Moscow Moscow Moscow Moscow Moscow Moscow at the MCC Theater, playwright Halley Feiffer has found her voice, and it sounds a lot like a cartoon, rife with social commentary. Her new work, an adaptation of Chekhov's The Three Sisters, brings to mind the theatrical sensibility at work in Taylor Mac's, Gary: A Sequel. His Broadway premiere last season is a takeoff on Shakespeare's…