Commentary Britain’s Boris Johnson outdid himself last monty. Within hours of telling French President Emmanuel Macron, “Prenez un grip,” he was at the United Nations telling the world to grow up. More remarkable than the British prime minister’s lack of self-awareness is the fairy tale that he told about Britain becoming the Saudi Arabia of wind and inviting China to see how Britain was faring without coal. “The Glasgow COP26 summit is the turning point for humanity,” the host of the forthcoming U.N. climate conference bragged. His could well turn out to be the most ill-judged speech by a British prime minister since James Callaghan’s press conference on his return from the Caribbean during the winter of discontent, earning him the derisive headline of “Crisis? What Crisis?” Back home, a very different story was playing out. Households were being hit by soaring energy bills; energy suppliers were falling like flies, and the energy secretary, Kwasi Kwarteng, was assuring the nation that …