Ukrainian President Volodymyr Zelenskyy took the opportunity while in Rome for Pope Leo XIV's inaugural Mass to meet with top U.S. officials and European leaders on Sunday ahead of a high-stakes phone call Monday between President Trump and Russian President Vladimir Putin to end the war in Ukraine. Zelenskyy spoke with Vice President JD Vance and Secretary of State Marco Rubio at the U.S. ambassador's residence in Rome. Zelenskyy said on social media he had underscored the need for "real diplomacy" and reaffirmed Ukraine's commitment to a "full and unconditional ceasefire." "We have also touched upon the need for sanctions...