President Donald Trump announced this week that the U.S. will send Patriot air-defense missiles to Ukraine and threatened new tariffs on Russia. Will Vladimir Putin back down? What should Trump's next move be? And what does the future hold for Ukraine? Newsweek contributors Daniel R. DePetris and Dan Perry debate:

President Donald Trump has finally found a way to like arming Ukraine: ask European allies to donate their weapons, and sell them American replacements.

As President Donald Trump hardens his position toward Moscow and seeks new ways to bring the conflict to an end, he is leaving open the prospect of allowing shipments of longer-range missiles to the country that would allow it to strike deeper into Russia,

President Donald Trump’s ultimatum to Russia to accept a peace deal in Ukraine within 50 days or face bruising sanctions on its energy exports has given the Kremlin extra time to pursue its summer offensive.

Ukraine will get its first new prime minister of the war on Thursday, as President Volodymyr Zelenskiy tries to wrestle wartime defence spending into shape and win over both Donald Trump and a war-weary public with fresh-faced leadership.

President Trump asked Ukrainian President Volodymyr Zelensky whether Kyiv was able to hit Moscow and St. Petersburg, according to a senior Ukrainian official familiar with their exchange in a July 4 phone call.

Republicans who previously have sounded off about U.S. aid to Ukraine sounded cautiously optimistic about the new plan to offer U.S. weapons to the war effort through a purchase by other NATO countries.

Live updates and the latest news as former Trump national security adviser Mike Waltz testifies at his Senate confirmation hearing for United Nations ambassador and Trump travels to Pittsburgh for an AI summit.