This episode's headline: News Summary; AIDS and Schools: What's Right?; Islands of Discontent: Strategic Dilemma. The guests include In Washington: Dr. HENRY MASUR, National Institutes of Health; In New York: DENNIS STANTON, Protesting Parent; In Houston: Dr. THOMAS MURRAY, Medical Ethicist; Reports from NewsHour Correspondents: MICHAEL BUERKE (BBC), in Capetown, South Africa; CHARLES KRAUSE, in the Philippines. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor