These trying times require a little levity, so how about a knock-knock joke?

Knock-knock.

Who’s there?

Cows go.

Cows go who.

No, silly; cows go ‘moo.’

I understand if this punchline elicits an eye roll. That’s perfectly natural. Very few knock-knock jokes go beyond the hackneyed and/or juvenile. Yet the format endures. And that speaks volumes about the nation itself.

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