Breaking into a broad smile as he recounts one of the last conversations he had with the British prime minister during his third and final visit to Kyiv last month, the Ukrainian president says: “He is an energetic person. I told him, “You can’t disappear,” and he said, “I won’t disappear.” A deep bond has been forged between Zelenskiy and Johnson, who allies claim has not ruled out a return to No 10 following his departure this week. Under Johnson, Britain was one of the first nations to donate weapons to Ukraine as the countdown to the Russian invasion began last winter. While nervous European leaders raged, Johnson led the group into being