“The proceedings of the conference [at Musgrove] and the documents – Soviet, American, and East European – together create a rare volume and significant pool of evidence ... The hosts succeeded in creating an atmosphere of tolerance for every opinion, an honest approach to any detail of a problem in any of its twists and turns, which provoked the kinds of spontaneous thoughts, reminiscences, and discourses that the participants themselves probably could never have ‘planned’ beforehand.”