One of the most amusing spectacles of this election season has been the whipsawing of the loyalists. Repeatedly, spinners for Hillary Clinton and Donald Trump have been sent out to hammer this or that talking point, only to be left holding the bag when the candidate goes another way.
So far, Mr. Trump has been narrowly ahead in this important competition. But after last Sunday, Ms. Clinton may have taken the lead.
For weeks, the official position of the chattering classes was that any inquiry into Ms. Clinton's health was "sexist."
As Democratic Sen. Amy Klobuchar told MSNBC's Andrea Mitchell on Sept. 2, "I have seen her personally. You've seen her...