Britain’s impending departure from the European Union on Jan. 31 is merely, as Winston Churchill might have said, the end of the beginning. British Prime Minister Boris Johnson will herald Brexit as the moment the nation recovers its sovereignty. The truth, however, is far messier. The ultimate terms and costs …

For more than a week earlier this month, Northern Ireland was rocked by riots in pro-British unionist communities, with frequent outbursts of violence in areas bordering on pro-Irish nationalist neighborhoods. Thankfully, no one was killed, but almost 90 police officers were injured in efforts to quell the unrest and keep …

The two main political parties in Northern Ireland announced a deal last month to restore the region’s power-sharing government, which had ceased to function three years ago. Within 24 hours of the announcement of the deal on Jan. 10, which was brokered by the British and Irish governments, Northern Ireland’s …