With more than 208,000 Americans dead from the novel coronavirus, it was already apparent that Donald Trump had failed the country. With his positive diagnosis, it’s now clear that he even failed himself. See this with clear eyes: Our nation’s commander-in-chief is presently in isolation by way of his incompetence, paranoia, and denialism. This is not an accident. Unlike untold numbers of Americans, such as medical workers and first responders, who have contracted the deadly virus despite taking precautious, President Trump ignored science and prudence and commonsense. He taunted medical fate. Trump and his White House staff have ignored the...