Overview:Documentary of the Symposium on the Dialectics of Liberation and the Demystification of Violence, held in London, July 1967, organized by R.D.Laing, with Stokely Carmichael, Allen Ginsberg, Paul Goodman, Herbert Marcuse, John Gerassi, and many others. An important record of the spectrum of left-wing politics and personalities during the turbulent Sixties.