This episode's headline: Maintaining Safety; AIDS Babies; Pershings Come Home. The guests include In Washington: ALLAN McARTOR, FAA Administration; Rep. JAMES OBERSTON (D) Minnesota; In New York: Dr. MARGARET HEARGITY, Pediatrician; In Boston: Dr. JANET MITCHELL, Obstetrician; FROM NEWSHOUR CORRESPONDENTS: TOM BEARDEN. Byline: In New York: ROBERT MACNEIL, Executive Editor; In Washington: JUDY WOODRUFF, Chief Washington Correspondent