This episode's headline: Troubled Waters; Freedom of Choice; Circumcision Decision; Lost Innocence. The guests include DON CORNETT, Exxon Corporation; GOV. STEVE COWPER, Alaska; STEPHEN SESTANOVICH, Center for Strategic Studies; JERRY HOUGH, Duke University; CORRESPONDENT: LEE HOCHBERG; ESSAYIST: ANNE TAYLOR FLEMING. Byline: In New York: ROBERT MacNeil; In Washington: JUDY WOODRUFF