At Davos, the decades-long U.S.-Europe alliance faces a historic breaking point. Following a rejected bid for Greenland, the U.S. administration has pivoted to tariff threats, with President Trump framing the demand as a simple transaction: "All we're asking for is Greenland." As Europe shifts from appeasement to asserting strategic autonomy, the core of the partnership is unraveling. CGTN host Tian Wei gives her analysis from the scene: Is the Atlantic alliance being reduced to a mere transaction?