Texas's energy grid is largely disconnected from the rest of the U.S. That led to disastrous consequences last year when the state's grid was overloaded during a winter storm. Back in the 1970s, one company attempted to change the system in a secret, middle-of-the-night operation. Subscribe to Planet Money+ in Apple Podcasts or at plus.npr.org/planetmoney Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy

Eddie Oygur is an Australian businessman who's sold sheepskin ugg boots for years. But one day, he was hit with a lawsuit for breaking American trademark law. On today's show — what's in the name ugg? Subscribe to Planet Money+ in Apple Podcasts or at plus.npr.org/planetmoney. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy