By  Jasmin Mujanovic After two years of crisis, Macedonia finally  formed a new government  in June, installing a reformist, center-left coalition committed to rebooting the country’s stalled integration into the EU and NATO. That same month, Montenegro became NATO’s newest member state, after a  tumultuous accession process  that lasted nearly a decade. These developments are good news for the overall stability of the western Balkans, a region still  mired in sectarianism  and provincialism. But they are also major blows to the regional aspirations of Russia, which hopes to keep the still unincorporated segments of the former Yugoslavia “neutral”—that is,  outside the EU-NATO fold . Moscow actively sought to prevent the pro-Western transitions in Macedonia and Montenegro, sometimes in  dramatic  and  violent fashion, and will doubtlessly continue to meddle in the affairs of both countries. B...