When Pluribus creator Vince Gilligan and his writers room decided to give Carol Sturka (Rhea Seehorn) her very own nuclear bomb at the end of Season One, they were pretty sure they had a plan for it. “We thought we knew what we were gonna do,” said Gilligan, sitting down with Seehorn for an interview last week at the Rolling Stone Studio, live at SXSW. “And then you get into it and you’re like: Do we? Do we really know?”