Pluribus star Rhea Seehorn has revealed that writers on the Apple TV sci-fi drama are currently "working their butts off" on the highly anticipated second season.From Breaking Bad and Better Call Saul creator Vince Gilligan, the series imagines a surreal scenario in which the world's population (barring a handful of exceptions) becomes the single unitary hive mind of an extraterrestrial entity.Jaded former novelist Carol Sturka (Seehorn) is one …