During 2020, when millions and millions of people obsessed - sometimes to the point of outright panic - over a contageous virus called COVID, a different plague, which had been gradually receding, began re-emerging with a vengeance. It turned out that 2020 was also a landmark year for deaths and injuries from highway collisions. Both rose by stunning amounts over the previous year. Overall, the jump in highway deaths per miles traveled spiked by 24...