PARIS -- It was inevitable that sooner or later, leading European countries would start distancing themselves from the aggressive rhetoric that has been the hallmark of the European Union leadership's approach to the armed conflict in Ukraine. Last week in Turin, Italian Prime Minister Luigi Di Maio presented a four-point peace plan to United Nations Secretary General Antonio Guterres, who made contact with Moscow and Kyiv in visits a few weeks ago. Di Maio also chaired the group of Europe's foreign ministers at a meeting in Turin, including those of other EU countries which have recently shown interest in de-escalating...