There’s a longstanding nursing shortage in the U.S. that's only expected to get worse. Some hospitals have experimented with robotic nursing assistants to lighten the load, like a model known as Moxi that rolled out in 2019. They’re kind of R2D2-meets-Rosie-the-robots and were designed to handle non-patient-facing tasks like transporting lab samples. But many hospitals eventually pulled them from operation. Marketplace’s Meghan McCarty Carino spoke with Varsha Bansal, reporter at Proof News, about what went wrong.