By Trevor Hunnicutt and Vladimir Soldatkin WASHINGTON/MOSCOW (Reuters) -French President Emmanuel Macron told Russian leader Vladimir Putin on Saturday that sincere negotiations were incompatible with an escalation in tensions over Ukraine, France said. Macron’s call with Putin took place as the United States and other Western nations warned that war in Ukraine could ignite at any moment. U.S. President Joe Biden was due to speak with Putin later on Saturday in another effort at averting hostilities. Washington ordered most of its embassy staff to leave https://www.reuters.com/world/europe/us-…