BP just made its biggest oil discovery in 25 years—and it’s in Brazil, not the U.S. The Bumerangue field, hidden deep under 2,400 meters of water, could make Brazil a new global oil superpower. But Donald Trump isn’t cheering. He’s threatening Brazil with a 50% tariff, blindsided by a BRICS-powered shift in oil geopolitics. As BP gears up for a fossil fuel boom and Brazil flexes its muscle, will the U.S. strike back—or form an uneasy energy alliance?