The U.S. may lose about 90,000 Americans to Covid-19 because we did not manage the virus as well as South Korea did. The first wave is estimated to take 93,000 US lives; it took 174 South Koreans (equivalent to 1,100 on a US population). My new column: https://t.co/0EYdf0n2a7— Nicholas Kristof (@NickKristof) April 4, 2020