The Ukraine war is in a decisive period, just as NATO Secretary General Jens Stoltenburg said. What makes the next 10 months decisive is possible “Ukraine fatigue,” the topic that Time magazine reported as the “phrase of the day” in Davos. Right now, such fatigue is less a reality than a product of Russian information warfare. That could change, however, if the Zelensky government cannot achieve major progress between now and fall 2023. To do that, Volodymyr Zelensky needs not only more but faster U.S. and allied concerted support. Vladimir Putin has never wavered from his primary goal in Ukraine:...