Melissa Sanderson returns to unpack why China’s grip on the world’s supply of rare earths has become one of the most consequential economic stories in the Indo-Pacific, and why a deadline just weeks away could reshape supply chains for everything from smartphones to fighter jets. Mel spent 21 years in the U.S. Foreign Service before moving into mining, and now serves as co-chair of the Critical Minerals Institute and a board member of American Rare Earths.

Mel opens with a promise: she’ll define rare earths, and then you can promptly forget the definition. What matters is what they do. A small handful of these elements make the magnets inside laptops, cell phones, electric vehicles, wind turbines, data centers, robotics, and missile guidance systems. America’s F-35 Joint Strike Fighter, which carries hundreds of pounds of rare earth content ...