Can the C.D.C. Be Fixed?

So far, there was no national plan for how to move forward. The Centers for Disease Control and Prevention was advising everyone to wear masks and remain six feet apart at all times. But that guidance was a significant impediment to any full-bore reopening, because most schools could not maintain that kind of distance and still accommodate all their students and teachers. It also left many questions unanswered: How did masks and distancing and other strategies like opening windows fit together? Which were essential? Could some measures be skipped if...