Russell Bentley, a Texas native better known by his nickname "Donbass Cowboy", died in mysterious circumstances near Donetsk. His death provoked a strong reaction in Russian ultra-nationalist circles, where Bentley had made a name for himself over the past ten years by travelling through the territories occupied by pro-Russian forces in Ukraine. Just a month ago, Russell Bentley was thanking his “guardian angels” in an interview with Newsweek for helping him escape death “hundreds of times” since 2014. But his luck finally ran out, and the man who called himself “Texas” or “Donbass Cowboy” was killed in Donetsk, in the...