I’m back here in Poland again. It’s always good to be here but I’m afraid I’m here in the background of an unfolding European tragedy, when Poland is in the frontline. Two weeks ago, when I met Mateusz and the Polish government, we agreed that our countries would stand shoulder to shoulder in what we predicted jointly would be a coming crisis. And as indeed we have stood shoulder to shoulder so many times in the last hundred years, that crisis in now upon us. It is now 126 hours since Vladimir Putin decided to launch a war of aggression on our continent, tearing up every principle of civilised…