If this pandemic has taught us anything, surely it’s taught us that we are lousy prognosticators. The best of our politicians, the best of our scientists, the best of our statisticians, could not, between them, do much of anything to predict how far the virus would spread, how quickly it would move, how many lives it would claim. The greatest optimists and greatest pessimists alike were often shown to be wrong not just by small degrees, but by whole orders …