Ukraine President Volodymyr Zelensky and Putin’s envoy Kirill Dmitriev face off over sanctions, U.S. policy, and the future of Ukraine—Zelensky underscores unity with the United States and Europe in tightening sanctions on Russian oil, urging collective pressure through the Coalition of the Willing, while Dmitriev, speaking from New York, dismisses U.S. sanctions as futile, alleging Western interference and calling for respect of Russia’s national interests as talks with Trump officials continue.