Commentary It was two years and a few months ago—only a few months before lockdowns—that I dragged myself to see “Joker,” a movie I dreaded but ended up respecting. “It’s a movie about one man’s descent into madness,” said the ticket taker. “Nothing else.” Why was the ticket seller pre-reviewing this movie for me? The line seemed overly rehearsed, a cautionary note to viewers as a way to prevent what has concerned people, namely that the movie’s fictional mayhem would generate real-world copycats. This was the great worry at the time. Still, his mini-review did give me some reassurance. The previews alone were too creepy. Life is tough enough without movies introducing more sadness, which is precisely why I like to stick with uplifting fare. Still, I marshaled my way through this one. There is a superficial way in which the man was correct. This was just about one guy. …