As the second anniversary of Russia's full-scale invasion of Ukraine approaches, the optimism that reigned a year ago has largely faded. The failure of Ukraine's 2023 counteroffensive and the uncertainty of future US assistance seem to augur tough times ahead for Ukraine and its supporters. Joining host Bob Hamilton to discuss the current state of the war, its likely future trajectory, and the future of the US role in NATO is Stephen Biddle, one of the foremost analysts of modern warfare.