As for the suspicion that there is one standard for the Clintons and one for everyone else, witness the FBI’s interaction this week with Congress over Hillary Clinton’s agency file. The G-men are back to being G-men—at least now that the Democratic nominee is off their hook.

FBI Director James Comey gets credit for agreeing to Congress’s demand for documents related to the bureau’s investigation into Mrs. Clinton’s email server. The FBI shares such files only on the rarest of occasions. Yet given the cloud surrounding this...