It's increasingly understood that the war in Ukraine is likely to be a long and hard one - and in that kind of attrition based struggle, resources and political will can matter as much as battlefield victories or defeats. Today I cover the topic of war exhaustion, asking not whether each side has the physical resources to continue, but instead what the data says about the willingness of voters and leaders in Ukraine, Russia, and Ukraine's allies to stay the course and push on despite the costs of war - and what it may mean for the war in 2024.