This episode's headline: Tax Reform: Statehouse Views; Tax Reform: Mood for Change; Special School. The guests include In New York: Gov. MARIO CUOMO, Democrat, New York; JOYCE HUNTER, Homosexual Youth Counselor; SANDRA FELDMAN, United Federation of Teachers; In Harrisburg, Pennsylvania: Gov. RICHARD THORNBURGH, Republican, Pennsylvania; HANNA GARDNER, Daily Local News, West Chester, PA; In Atlanta: TOM TEEPEN, Atlanta Constitution; In Oklahoma City: JERRY POOLE, Daily Oklahoman; Reports from NewsHour Correspondents:. Byline: In New York: ROBERT MacNEIL, Executive Editor; CHARLAYNE HUNTER-GAULT, Correspondent; In Washington: JIM LEHRER, Associate Editor