'The Way of the Knife' Examines Conflict Between CIA, Pentagon

Margaret Warner talks to Pulitzer Prize winning author Mark Mazzetti on his new book "The Way of the Knife: The CIA, a Secret Army, and a War at the Ends of the Earth." Mazzetti talks about the competition between the CIA and the Pentagon in the years following 9/11 as the global manhunt for terrorists intensified.

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PBS NewsHour senior correspondent Margaret Warner talks to Pulitzer Prize winning author Mark Mazzetti on his new book "The Way of the Knife: The CIA, a Secret Army, and a War at the Ends of the Earth." Mazzetti talks about the competition between the CIA and the Pentagon in the years following 9/11 as the global manhunt for terrorists intensified.

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