For over forty years now, the Watergate scandal — the June 1972 break-in at the Democratic National Committee headquarters and the subsequent cover-up by the Nixon administration — has been the sine qua non of American political malfeasance. It has been followed by myriad other “gates” affecting both parties but has never been superseded. Until now. Benghazi or Benghazigate, as some call it, is worse. Far worse. Incomparably worse. Watergate caught numerous public officials lying, including the president of the United States, but Benghazigate has all that and more. It involves the terrorist murder (not an electorally irrelevant burglary) of...