As President Trump continues to try to end the war in Ukraine, Russia is playing for time. For as long as the U.S. continues to support Ukraine, Russia’s military effort will remain weak and unsustainable. But if Russia is able to stall in negotiations, and degrade American and Western support for Ukraine, they could very well emerge victorious. How should Ukrainian leadership respond to continued American attempts at war-ending negotiations? And what are the consequences if America withdraws its support for Ukraine?

Frederick W. Kagan is the director of AEI’s Critical Threats Project and a former professor of military history at the US Military Academy at West Point. He is the author of the 2007 report Choosing Victory: A Plan for Success in Iraq, which is one of the intellectual architects of the successful “surge” strategy in Iraq, and the book Lessons for a Long War (AEI Press, 2010). His Critical Threats Project, alongside the Institute for the Study of War, releases regular updates on Iranian activity in the Middle East, Russia’s invasion of Ukraine, and transnational terrorism on the African continent.

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