The Trump administration is responsible for grave, costly errors, most especially the manufacturing failures in diagnostic testing, the decision to test too few people, the delay in expanding testing to labs outside the Centers for Disease Control and prevention, and problems in the supply chain. These mistakes have left us blind and badly behind the curve, and, for a few crucial weeks, they created a false sense of security. What we now know is that the coronavirus silently spread for several weeks, without us being aware of it and while we were doing nothing to stop it.