President Volodymyr Zelenskyy of Ukraine with President Donald Trump at Mar-a-Lago in Palm Beach, Fla., Dec. 28, 2025. Though discussions with President Donald Trump produced little tangible progress, President Volodymyr Zelenskyy of Ukraine at least avoided the type of setbacks that have blighted earlier meetings. (Tierney L. Cross/The New York Times) By CONSTANT MÉHEUT As President Volodymyr Zelenskyy of Ukraine traveled back from Florida on Monday, he could breathe a sigh of relief. His...