One of its biggest surprises comes in the first chapter: In 1969\u201370, when Ellsberg was spending his nights Xeroxing the Pentagon Papers, a copy of which was in his safe at the RAND Corporation, he was also\u2014he reveals here for the first time to anyone besides a handful of friends and loved ones\u2014making copies of everything in his safe, including the top-secret-and-beyond documents from his nuclear studies.