Ha, ha! OK, it's an old joke, but it could explain how, as Pony Pal™/Coworker John puts it, "a Catholic girl who attended a Lutheran college managed to convert a Southern Baptist to Catholicism."
The footnotes, of course, prove no such thing, but do link to two interesting articles about Callista 'n' Newt: The Early Years.
These revisions didn't last long on Wikipedia, but there are some other funny edits there for the finding if you go through the history and talk pages, because nothing ever really goes away on Wikipedia. Fun!