Loved this story. Wonderful idea to say it was Clark then use Alt-Clark to "prove" that Clark can't possibly be Superman.
I too loved that last sentence. The whole story was great, but that epilogue was just icing on the cake. Great job!
Perry: (To Lois) Honey, this could be greatest story since Superman came to town. By-the-by, where is that husband of yours? --Faster Than a Speeding Vixon