CNN — For nearly half a decade, you could be forgiven for thinking just about everything in Western democracy seemed a bit broken. The social-media yelling in 140 characters. The wild populism, and dog-whistle racism. The clumsy coronavirus lockdowns and their attendant conspiracy theories. The tolerance of absolute, constant falsehoods. The questioning and beleaguering of the electoral process. Some began to behave as if it were smoother on the other side of the fence, in autocracies where things are just ordered to happen, and criticism is swallowed whole. Yet, as we stagger past the third anniversary of Covid-19’s emergence, the...