Fyodor Lukyanov on the latest diplomatic maneuvering between Moscow and Kiev – and why the struggle may be nearing a decisive turning point

The latest surge in diplomatic activity surrounding the conflict in Ukraine follows a familiar pattern, although each round brings its own peculiarities. This time, US President Donald Trump is particularly angry with Vladimir Zelensky, whom he increasingly blames for the failure to end the war.

Their personal animosity has been evident since their first meeting of Trump’s second term in office, more than 18 months ago. But there’s now an additional factor, and it’s American domestic politics.

With the Republicans facing a difficult election, Trump needs a political success.…