John O. Brennan’s memoir, “Undaunted,” describes his career at the C.I.A., including his years as head of the agency.
The revelation that the former C.I.A. director sided with analysts over senior officers, contained in his new book, has been a focus of the Justice Department review of the Russia inquiry.
John O. Brennan is a witness, not a target, in the inquiry being led by John H. Durham, a U.S. attorney, but the C.I.A. under Barack Obama could be subject to further criticism by the Trump administration.
A new book by John Brennan is another salvo in the political debate over the intelligence community’s investigation of the election interference campaign.
A judge’s criticism cast light on the first in a series of steps by the attorney general to take aim at the Russia investigation.