It’s splitsville! “For All Mankind” explores rifts between supports of the old and new Soviet regimes, but there’s also an Earth-Mars dichotomy, the re-emergence of Cold War fault lines, the downstairs grunts versus the upstairs astronaut heroes on Mars, and even the Helios workers versus their billionare boss. Meanwhile, things are bad for Comrade Semonov, but Margo has finally found late-night coffee thanks to the washer from a cafeteria chair and—most importantly by far—a Soviet vending machine....