Mr. Trump — whose early reaction to the pandemic was to wish it away, who failed to muster the logistical support to confront it and who then decided to walk away by leaving the response largely to the states — this week continued to engage in magical thinking, referring to the raging pandemic as “certain hot spots.” In fact, states that opened up prematurely in May are paying the price now, and Mr. Trump bears responsibility for encouraging governors to loosen the restrictions too early.