One would think that if everything were on the up and up, one would not have to tell everyone to keep their mouths shut. If there was nothing to tell, why gag those who know? This is the question all Americans should be asking in the wake of recent discoveries. Fox reports: The FBI has confirmed to a senior Republican senator that agents were sworn to secrecy — and subject to lie detector tests — in the Hillary Clinton email probe, an extensive measure one former agent said could have a “chilling effect.” A July 1 letter sent by a...