This man frequently corresponded with historian John Lukacs (“LOO-kach”) and served as an expert witness alongside James M. Gavin in the first set of Fulbright Hearings. One essay by this author of The Cloud of Danger that ambiguously referred to “counter-force” was attacked for creating a “strategic monstrosity.” One policy developed by this man, which was criticized by Walter Lippmann, had its strongpoint defense version replaced by perimeter defense thanks to (*) Paul Nitze’s drafting of NSC-68. This first-ever State Department director of policy planning, the subject of a biography by John (10[1])Lewis (10[1])Gaddis, published an article explaining Marxism-Leninism in Foreign Affairs under the pseudonym “X.” For 10 points each, name this diplomat who articulated containment in his Long Telegram. ■END■