President Volodymyr Zelensky used a brief meeting with U.S. President Donald Trump at Pope Francis' funeral to urge a harder line on Russian President Vladimir Putin and a renewed push for a complete ceasefire in Ukraine,

The Putin and Trump interplay is also a contest for the upper hand – or as Lenin neatly put it of such things, “kto kovo” (who gets the better of whom?).The terms of the duo’s dealings remain mysterious.