Our household regularly watches a television show that last aired (in its original run) over half-a-century ago. What's My Line? -- the popular game show that ran from 1950 to 1967 -- featured four panelists, a moderator, and multiple guests. The panel had to try and guess what each guest did for their "line" of work. It's a fun show to watch, and a fascinating time capsule of its era. We usually watch an episode or two every evening. Most everyone associated with the program is dead. This is true of Dorothy Kilgallen, a long-time panel member who died suddenly in 1965. One day, several weeks ago, we were watching an episode of the show on YouTube, and I read a few of the comments below the video. One of them purported to be from Dorothy's grandson, who said he was glad to be able to watch his grandmother at the top of her game, even though she long ago passed away. Whether or not that was truly Dorothy Kilgallen's grandson who wrote the comment, it...