U.S. President-elect Donald Trump spoke with Russian President Vladimir Putin and advised him not to escalate the Ukraine war, a source familiar with the conversation said, but the Kremlin denied the two had spoken. The source told Reuters on Sunday that Trump, who has criticised the scale of U.S. military and financial support for Kyiv and said he will end the war quickly, had spoken to Putin in recent days. The Washington Post, opens new tab first reported the...