A half-year ago in the Oval Office, President Trump told Ukrainian President Volodymyr Zelensky that “you don’t have the cards” in the war with Russia. On Tuesday at the United Nations, Trump lauded the performance of Ukraine’s army and poured scorn on Russia’s military efforts. “I think Ukraine, with the support of the European Union, is in a position to fight and WIN all of Ukraine back in its original form,” Trump said on Truth Social after meeting with Zelensky. “Why not?” U.S. officials said that Trump issued the statement in part to pressure Russian President Vladimir Putin to make...