"Putin is unmoored from reality." The Russian President's isolation isn't helping his judgement, but it's unlikely his successor would be any different, says Robert Service, Emeritus Professor of Russian history at St. Anthony's College, Oxford and a bio...

Vladimir Putin has ruled over Russia for over two decades. But When Putin is gone, who will rule Russia next? Will Russia pass into the hands of another hawkish ruler or will an anti-Putin successor win the throne?