Over a dinner, to which British Prime Minister Theresa May was not invited, the European leaders restricted themselves to a short twenty-minute discussion on the United Kingdom’s exit from the European Union (Brexit). The EU27 mainly agreed on the procedures to be respected during the negotiations – which will begin once Article 50 of the Treaty has been triggered in March. The EU27 leaders reiterated the firm principles that will be demanded of London, especially the “indivisibility...