The shocking indictments against the former head of counterintelligence for the FBI in New York raise many dark questions.In the course of writing two books on Donald Trump’s ties to Russia, the same question occurred to me again and again: How is it possible that I knew all sorts of stuff about Donald Trump, and the FBI didn’t seem to have a clue? Or if they did, why weren’t they doing anything with it? Specifically, I knew that: -Starting in 1980, an alleged “spotter agent” for the KGB began cultivating Trump as a new asset for Soviet intelligence. -The Russian...