US President Donald Trump said on Saturday that he had held several hours of talks with Russian President Vladimir Putin the day before and that the summit had "gone very well". Despite Mr. Trump's repeated emphasis on a ceasefire before the meeting, the two leaders did not reach a ceasefire agreement after the meeting. Zelensky then posted that he planned to meet with Mr. Trump "to discuss all the details of ending the conflict". Mr. Trump said he had spoken by phone with Mr. Zelensky and other...