President Trump's January 2026 Greenland tariff ultimatum triggered one of the most volatile transatlantic crises in modern memory. In seventy-two hours, three hundred and two billion dollars in trade was threatened, European allies scrambled for responses, and defense stocks surged over eight percent. This episode breaks down the market-moving framework deal, the rare earth mineral implications, and what this Arctic power play means for your defense sector positions and geopolitical risk models heading into February.