Questions of Evidence and Interpretation in Two Studies of Soviet Decisions in the Berlin Crises - Soviet Risk Taking and Crisis Behavior: A Theoretical and Empirical Analysis. By Hannes Adomeit. Foreword by Marshall D. Shulman. London: George Allen and Unwin, 1982. xi, 375 pp. $47.50. - The Berlin Crisis of 1961: So Viet-American Relations and the Struggle for Power in the Kremlin. June-November 1961. By Robert M. Slusser. Baltimore: Johns Hopkins University Press, 1973. xvi, 509 pp. $17.50, cloth. $8.50, paper.