On Tuesday WikiLeaks began releasing a series of encrypted documents dubbed “Vault 7,” detailing the surveillance activities of the CIA. As part of the release, the organization posted to Twitter a password for “Vault 7” that read as follows: “SplinterItIntoAThousandPiecesAndScatterItIntoTheWinds.” That password was a subset of words spoken by President John F. Kennedy 54 years ago, only a month before he was assassinated: “I will splinter the CIA into a thousand pieces and scatter it into the wind,” were his exact words, according to a Kennedy administration official who spoke with The New York Times for a report published three...