James B. Stewart is the author of "Heart of a Soldier," the bestsellers "Blind Eye" and "Blood Sport," and the blockbuster "Den of Thieves." He is currently a columnist for the New York Times and a professor at Columbia Journalism School, and in 1988 he won a Pulitzer Prize for his reporting on the stock market crash and insider trading.
His new book is "Deep State: Trump, the FBI, and the Rule of Law."