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 …

One of the main attractions at the local museum in Newry, a bustling market town some 40 miles south of Belfast, is an old wooden sign. Painted on a chalky white background, its tall red letters proclaim in Irish, then in English: “Custaim: Stad, Customs: Stop.” For decades, this sign …

As the world braces for a prolonged economic downturn due to the coronavirus pandemic, the United Kingdom and Ireland may have to face this crisis alongside another, partly self-inflicted one: a no-deal Brexit. The U.K. officially left the European Union in January and is currently in a transition period that …