President Donald Trump vowed to end the war in Ukraine within 24 hours of taking office. He sent his negotiator Steve Witkoff and Secretary of State Marco Rubio for multiple rounds of negotiations with Russia and Ukraine, and even hosted Russian President Vladimir Putin at a high-profile summit in Alaska this August. But despite these moves, the war grinds on with no resolution in sight. Negotiations have stalled as Russia continues to demand sweeping concessions. Frustrated by the lack of progress, Trump is now pressing for more assertive international action against Moscow, even as his own willingness to impose further costs on Russia remains unclear. The path forward looks increasingly grim, and the limits of U.S. influence in Ukraine are becoming ever more apparent. So what kind of outcome is realistically achievable— and at what cost?

To assess the dilemmas inherent in America’s policy toward Ukraine, Chris Chivvis speaks with Thomas Wright, a Senior Fellow at the Brookings Institution and former Senior Director for Strategic Planning at the National Security Council during the Biden administration.