A day before President Volodymyr Zelensky met U.S. President Donald Trump, European leaders privately warned the Ukrainian president that the talks could go badly and urged him to "be careful," according to detailed notes from the call shared with the Kyiv Independent by a senior diplomatic source. The caution came ahead of Zelensky's Dec. 28 meeting with Trump at the U.S. president's Florida residence, Mar-a-Lago — a high-stakes encounter focused on Washington's latest push to broker a peace f