Last Sunday’s votes have provided lessons for Europeans. Some are, at first sight, positive – or at any rate very encouraging. A small majority of Austrians – or at least a majority as big as the one that imposed Brexit on the United Kingdom – bore out what Bertolt Brecht said: the rise of Arturo Ui is not irresistible, not even in the country where Adolf Hitler was born (see EUROPE 11682). And given that the German dramatist set his play in the Chicago of Al Capone and prohibition,...