When President Trump said this week that the United States had done more testing than South Korea, USA Today was quick to fact-check his claim by pointing out, "The United States population is more than six times the size of South Korea’s. On a per-capita basis, South Korea is testing far more of its citizens than the U.S." In this case, the media attempted to use a per capita comparison against Trump. CNN and MSNBC each made similar fact-checks.On Thursday, the New York Times made a big fuss over the fact that more than 81,321 Americans have been infected...