“Will the real [person’s name] please stand up?” That’s the familiar line at the end of the game show To Tell the Truth. A panel of four celebrities ask questions of three individuals claiming to be the same person. Of course, two are impostors, but it’s up to the panel to discern the actual person. In one challenging episode, the celebrities tried to guess “the real Johnny Marks,” who wrote the lyrics to “Rudolph the Red-Nosed Reindeer.” The celebrities found out just how difficult it is, even with asking good questions, to figure out just who’s who. Impostors lie and…