Briefing: Investors Eye Nuclear Fusion

Nuclear fusion: a grand climate solution or a longstanding pipe dream? A number of startups claim to be on the verge of technological breakthroughs that could bring fusion energy to the grid by the 2030s -- and investors are buying it. Host Brian Walsh is joined by Amy Cortese and David Bank to hear more about the growing interest in fusion, and one MIT based startup that's trying to bring it to scale.