The United Kingdom’s historic decision to leave the EU has stunned Brussels and sent shock waves through Europe. The Scottish government has threatened to hold a second referendum on independence, jeopardizing the kingdom’s unity. And in Ireland, the vote threatens to derail a fragile peace process and undermine a recent economic recovery. Over the past ...

When Iraqi lawmakers voted to expel U.S. forces from the country earlier this month, the Trump administration’s response was swift and forceful: it refused to withdraw and, for good measure, threatened financial retaliation, saying it would freeze Iraq’s accounts at the U.S. Federal Reserve. The threat seems to have been effective. Although Iraqi officials still ...