When news broke that Anthony Weiner was at it again—sexting a sordid photo of himself to an unidentified woman while he was babysitting his 5-year-old son—and that his wife, Huma Abedin, Hillary’s closest aide, had finally had enough, something rang a bell. I recalled that two years ago, in a book that I wrote titled Blood Feud, I wrestled with the strange Weiner-Abedin-Clinton triangle. At the time, Weiner was out of a job (he had been caught sexting again) and Hillary made up for the family’s financial shortfall by setting up a lucrative sweetheart deal for Huma. She arranged for...