The great media toaster isn’t broken, exactly, but it doesn’t work like it once did. By all accounts, Herman Cain should be toast now, served hot, a bit scorched around the edges and left unbuttered. But try as they might, his tormentors have not yet had him for breakfast. The tormentors, journalists, lawyers and an assortment of ladies who appear to have been around the block a few times, have so far failed to destroy him and thus his candidacy. They still have to come up with lower-mileage ladies to make the accusations stick with the Republican base. Mr. Cain’s...