As Ukraine’s brutal war nears its third year, two visions risk becoming irreconcilable. On one side, a White House whose policy is in turns strident, revisionist, and then – it seems, sometimes - in urgent need of clarification.

Ukraine has said it doesn't plan to attend a meeting announced by US President Donald Trump with senior Russian officials at the Munich Security Conference in Germany. “A common agreed position should be on the table for a conversation with the Russians.