Now that COP 26 is over, the British political spotlight has returned to Brexit, with the likelihood of tensions between the United Kingdom and the European Union turning into an all-out trade war over Northern Ireland. The province, which is politically a part of the UK but geographically separate, is currently subject to a deal called the Northern Ireland Protocol, agreed as part of last year's Brexit deal. Unlike the rest of the UK, it remained in the European single market for goods,...