New book shows how Lt. Col. Alex Vindman was the real instigator of the Ukraine investigation that formed the pretext for Democrats' impeachment of President Trump. The most interesting thing about Byron York’s exhaustively reported and richly detailed new impeachment book, “Obsession: Inside the Washington Establishment’s Never-Ending War on Trump,†is that the whistleblower who filed the official complaint that got impeachment rolling isn’t ever identified.It turns out that the heated discussion over the whistleblower, who was previously identified by Real Clear Investigations as the CIA’s Eric Ciaramella, was a diversion from allowing the American people to understand who was...