U.S. and Russian officials have increasingly fired verbal volleys at each other publicly in recent days, as Washington’s efforts to end the war in Ukraine appear to be devolving.

President Donald Trump promised on the campaign to end the war during the first 24 hours of his presidency, and while his administration quickly made overtures to Moscow that the previous administration was unwilling to, the two sides do not appear much closer to ending the deadliest war in Europe since World War II.