Ukrainian President Volodymyr Zelenskyy warned allies that the defense of his nation is a litmus test for broader Western resolve, after Russia fired at least 117 missiles and drones in an overnight attack on the country's energy infrastructure facilities. Zelenskyy and his top officials have repeatedly demanded that NATO allies do more to bolster Ukraine's air defense umbrella, with the country struggling through a third consecutive winter of massed Russian attacks on the national energy grid. The latest Russian barrage came after a record-breaking night of Ukrainian drone attacks in Western Russia, in which Kyiv's forces said they hit a...