It is quite understandable that after five months of one unprecedented event after another people in the United States are experiencing Covid fatigue and yearning for a return to normal. But what exactly is “normal?” And should we be wishing for a return to it? The question reminds me of a comedian I saw almost exactly four years ago who was discussing the 2016 contest between Hillary Clinton and Donald Trump. “Clinton or Trump,” he mused, “it’s a little like …