In 1974, Richard Nixon resigned in disgrace. In 2020, Donald Trump was impeached. Both were investigated by the FBI, an agency under their control. How is it that the bureau is responsible for investigating the president it serves? How can it do so effectively? Nixon's FBI confronts these questions. Melissa Graves draws on groundbreaking research and personal interviews with several of the agents involved to take us back to the time of the Watergate scandal. Her new perspective on J. Edgar Hoover's last days, his successor's tenure, and the many obstacles that FBI special agents faced from...