"What modern authoritarian leaders have in common (and how they can be stopped). Ours is the age of authoritarian rulers: self-proclaimed saviors of the nation who evade accountability while robbing their people of resources and corroding or destroying democracy. Their mutual-admiration club also draws on models from the past. Vladimir Putin rehabilitates Soviet tyrant Joseph Stalin, Donald Trump praises Libyan despot Muammar Gaddafi, Jair Bolsonaro...