Kumail Nanjiani's "Stuber" and writer/director Lulu Wang's "The Farewell" just opened in theaters, as did the documentary "Sea of Shadows," about drug cartels invading a fishing village in Baja California. Morgan Neville's four-part documentary about music producer Rick Rubin debuts on Showtime. And we also visit with the French piano duo Katia and Marielle Lebeque.