In a wide-ranging interview, an upbeat Ukrainian president also discusses Donald Trump, King Charles, and how Kyiv is prepared to share its experience of drone warfare with the west Sitting down with the Guardian in London, Volodymyr Zelenskyy seems cheerful. More than four years after Vladimir Putin’s full-scale invasion, he believes Europe’s biggest war since 1945 appears to be slowly turning in Ukraine’s favour. The military situation is the most promising it has been for Kyiv for two and a h