The European Union (EU) is under siege. In elections from Sweden to Spain, right-wing populists continue to gain strength, while support for traditional parties withers. Populist groups expect to make sizable gains in this week’s elections for the European parliament — giving them more power than ever before over the institutions at the heart of the EU. Europe’s cohesion hangs ...

This time it’s for real. Theresa May didn’t exactly say when she would leave 10 Downing Street, but she promised to name her exit date in early June. The question is what difference changing leader will make for the Conservative party. After a potentially messy leadership contest (one is already underway), the party will likely rally behind a new chief ...

Even the most committed free-traders have to admit that tariffs and the threat of tariffs can prod other countries to make needed reforms. That outcome is still possible in the American trade war with China, and it’s the one to root for. But our thinking about this conflict suffers from misconceptions that bias us towards President Donald Trump’s tariff-centered strategy. ...