Why the Russians Invaded.

Discusses whether the Soviet Union's invasion of Afghanistan signals a major shift in power in the Politburo. Politburo's reversal of Leonid Brezhnev's policy on détente in order to challenge the U.S. for military control of Middle East oil; Implications of the November 1979 plenary session of the Party Central Committee; Possible domination of the Politburo and Central Committee by a younger, hard-line group well into the 1980s.