SIr Keir Starmer I chose the size of Lancaster House in central London to organize the first post-Brexit Ue–UNITED KINGDOM Summit on May 19. He, Ursula von der Leyen (President of the European Commission) and António Costa (President of the European Council) have all spoken duly a historical “reset” of relations. In fact, what was agreed was various small changes to eliminate the worst commercial friction, as well as a new defense agreement. But this can predict the start of longer negotiations which, over time, bring the two parties closer.