The European Union’s deal with Turkey to control the streaming of refugees into Europe has become a bittersweet issue, as some EU member states see the pact as a blackmail from Ankara to meet its longstanding demands. Finally, the EU on Wednesday gave conditional backing to visa-free travel for Turks under a migrant deal. It also announced new asylum rules …

  Donald Trump’s big Tuesday night victory in Indiana wasn’t technically going to clinch the nomination for him. Even by winning most or all of the delegates at stake in the Hoosier State, he would need more to get to the 1,237 he had to hit to be nominated at the convention in Cleveland — about 40 percent in the …

Nationalism is irrational, bizarre and threatening. Unless it’s your own, in which case it’s natural and reasonable. That’s a lesson I’ve learned as a foreign correspondent and one that teaches a lot about the U.K.’s furious debate over whether to leave the European Union. With each passing week of the campaign, the evidence that voting to exit the EU would …