Even in this oppressive heat, I still see adults wearing face coverings. I was at a laundromat recently where an elderly man was sitting outside at a picnic table (by himself) with a mask on. It’s his business, of course, but he looked ridiculous. President Trump’s would-be assassin, Thomas Matthew Crooks, has been called “nerdy” and a “loner,” but what struck me was that a former classmate who described Mr. Crooks as “a little off” also said he wore a mask after Covid was over. We were all required to wear them years ago, but those who continue to don...