This episode's headline: Terrifying Trip; Gang Wars; South Africa; The Final Word. The guests include In Washington: GEORGETTE BENNETT, Criminologist; Rep. CHARLES RANGEL, (D) New York; In New York: Archbishop DESMOND TUTU, Archbishop of Cape Town; REPORTS FROM NEWSHOUR CORRESPONDENTS: JUDY WOODRUFF; JEFFREY KAYE, KCET, Los Angeles; ROGER MUDD. Byline: In New York: CHARLAYNE HUNTER-GAULT, National Correspondent; In Washington: JIM LEHRER, Associate Editor