While the world waited on what Donald Trump would utter on Greenland on Wednesday, what if we missed the bigger picture? For 73 minutes, the US president, before an audience of traditional transatlantic allies in Davos, hurled invectives and insults while doubling down on what's now official US policy: the assessment that Europe is a continent in civilisational decline; implying that it's overrun by non-Christians and non-Whites. How do Europeans respond?