“How did Super Tuesday go?” But the astronaut demurred when asked for his thoughts on the likes of Donald Trump and Bernie Sanders. “I would say that, as a government employee, I am subject to the Hatch Act,” he said, referring to a law that prohibits some political activity for federal employees. “So I can’t say how I think of all the news stories of all the year.” Besides the news, he said, steady work helped keep him sane: “I tried to have milestones that were close, like when is the next crew arriving, the next spacewalk, the next robotics, the next science experiment. That made a difference to me, keeping my sanity.” Being back on Earth with the rest of humanity had not quite sunk in, he added, recalling how shocked he had been to see a crowd of people after a previous mission. “There’ll be a point here pretty soon where I’ll start feeling that kind of culture shock,” he said. Although a NASA scientist said Kelly embodied the qualities needed for a mission to Mars, the astronaut himself predicted that he would not fly again with the space agency. “But I don’t think I would ever say I’m absolutely, 100% done,” he added, noting the sudden successes of private spaceflight companies such as SpaceX. “They might need a guy like me someday,” he said. “Maybe, in the next 20 years, you’ll be able to buy a cheap ticket, just go for a