The Rare Metal Keeping Xi and Biden Up At Night

The ground beneath Case Lake in northeastern Ontario houses a critical mineral that may form the heart of one of the most pressing North American security issues of the century.  The critical mineral is cesium (Cs), and its discovery and potential for development has become a battleground between Canada and the U.

S. on one hand, and China on the other.  At stake is nothing less than potential global technological dominance. North America has no cesium of its own. Those known cesium deposits around the world have either been depleted or…