JD Vance's Munich speech laid bare the collapse of the transatlantic alliance

Since 1963, the Munich Security Conference has seen many consequential speeches, notably Vladimir Putin announcing in 2007 that Russia would never accept a subordinate role in the new world order. But Friday's speech by JD Vance, the US vice-president, has the potential to be the most consequential - the moment the world order against which Putin railed fell apart. Sometimes, even in this digital age, speeches can act as clarifiers. Yes, the 22 minutes were full of laughable hypocrisy, distorted portraits of European democracy and insensitivity to Europe's trauma with fascism, but for what it said about the chasm in…