EU Approves Brexit Extension, but Chaotic Departure Still Looms

European Union leaders on Thursday agreed to extend the deadline for Britain’s looming exit from the bloc in order to give Prime Minister Theresa May and the British Parliament more time to get their act together.

Thursday’s agreement effectively averted the possibility of a disorderly and possibly chaotic departure by Britain on March 29. Yet that still remains a possibility just a few weeks later.

After hours of difficult and sometimes passionate talks, the leaders decided that Britain’s exit date will be pushed back to May 22 if next week...