“But there is another way to break a democracy. It is less dramatic but equally destructive. Democracies may die at the hands not of generals but of elected leaders—presidents or prime ministers who subvert the very process that brought them to power. Some of these leaders dismantle democracy quickly, as Hitler did in the wake of the 1933 Reichstag fire in Germany. More often, though, democracies erode slowly, in barely visible steps.”