Over the last 12 hours, the Cain controversy took a lurch toward complete farce with the Cain campaign accusing, with no evidence, the Perry campaign and specifically Curt Anderson, with leaking the story. As a theory, this at least make sense: Perry needs Cain to deflate, and one interpretation of Perry’s strange New Hampshire speech is that it was an over-the-top attempt to demonstrate the liveliness and personality that has helped Cain steal most of Perry’s support. But the Cain campaign seems only to be making a wild guess about Anderson. Incredibly enough, Cain himself made the accusation and then...