Soviet Judge Rules U.S. Reporters Libeled TV and Orders Retraction
Soviet ct rules that Amer correspondents Craig R Whitney (NY Times) and Harold D Piper (Baltimore Sun) have libeled Soviet TV employees; reporters are ordered to publish retraction, either in Soviet or Amer press, and to pay equivalent of $1,647 each in ct costs; ruling follows testimony by convicted dissident, Zviad K Gamsakhurdia, that a televised confession attributed to him in May was genuine; case revd; illus (M)