“A unicorn, a monster, a phoenix, a machine, a heavyweight fighter, an astronaut, a superhero, a thoroughbred, a home-run hitter, a waitress juggling ‘16 entrees, 42 starters, 16 desserts,’ a jazz virtuoso, LeBron James, Magellan, Snuffleupagus. The actress Laurie Metcalf has been compared to all of these things.”