“Wild card” makes no appearance in the blog but “joker” does. I didn’t read any of the three posts where I’d used that word but I suspect they may not necessarily be used in the sense of “wild card” as in a wild card has been played in the Congressional race.
The official source for all the blather of the eccentric Harry Welty – Duluth School Board member, off and on, since 1995. He does his best to live up to Mark Twain's assessment: "First God created the idiot. That was for practice. Then he invented the School Board."