How Terror Threatens the EU

EDINBURGH, Scotland--Even amid tragedy, politics never ceases. And so, earlier this week, as officials in Brussels were still counting the bodies some in Europe moved on from the immediate horror of the bombings themselves--these are becoming routine, after all--to contemplate the impact this latest affront might have on another issue altogether. That is, would this latest act of terrorism make it more or less likely that Britain would vote to leave the European Union and do great harm to the lo...