NASA insists they aren’t stranded. But eight weeks after their original return date, astronauts Suni Williams and Butch Wilmore are still on board the International Space Station. In this episode, we explain why Boeing’s Starliner – and private space travel writ large - is under the microscope as officials work towards a solution.  Guest: Kristin Fisher, CNN Space & Defense Correspondent Learn more about your ad choices. Visit podcastchoices.com/adchoices