Critics of globalization have named their enemies: those citizens of the world who, in British Prime Minister Theresa May’s scornful phrase, are really “citizens of nowhere.” Populist leaders are championing policies to combat such cosmopolitanism — restricting migration, rethinking regional trade deals, pressuring companies to create jobs at home. Yet while it contains some truths, the populists’ diagnosis is incomplete. ...

In the comic strip Calvin and Hobbes, Calvin asks his dad how engineers determine the weight limit on bridges. The dad answers that they do this by driving heavier and heavier trucks over the bridge until it breaks, then rebuild the bridge after discovering what it took to break it. This isn’t how engineers actually figure out the safety specifications ...

Bloomberg Investors schooled in the diplomatic ups and downs between Qatar and other Arab nations say there’s no reason for panic. The Gulf nation’s equities plummeted the most since 2009 as four Arab nations push to isolate Qatar for its ties to Iran. If history is any guide, the tensions won’t have a lasting impact on the country’s financial assets. ...