When Hillary Clinton claimed “17 intelligence agencies” agree on Russian meddling in the third presidential debate, a host of media outlets including The New York Times rated the claim as 100 percent true. Nine months later, those same outlets say the stat is obviously false, and there’s been a “simple” explanation as to why all along. A closer look at how the claim survived and thrived over those nine months reveals a startling lack of skepticism in the press when it comes to the Russia narrative. The truth is the great majority of the 17 agencies that make up the...