Donald Trump discussed the war in Ukraine on Wednesday in phone calls with Russian President Vladimir Putin and Ukrainian President Volodymyr Zelenskiy, the new U.S. president's first big step towards diplomacy over a war he has promised to end. In a post on his social media platform, Trump said he and Putin had "agreed to have our respective teams start negotiations immediately, and we will begin by calling President Zelenskiy, of Ukraine, to inform him of the conversation, something which I will be doing right now." Zelenskiy's office said Trump and Zelenskiy had spoken by phone for about an hour....