This episode's headline: Double Trouble; War on AIDS; Out of America; Don't Fence Me In. ANCHOR: JIM LEHRER; GUESTS: DR. HAROLD VARMUS, National Institutes of Health; BONNIE STEINBOCK, State University of New York; JAMES GERAGHTY, Genzyme Transgenics; THOMAS MURRAY, Case Western University; KEITH RICHBURG, Author, ""Out of America""; SALIH BOOKER, Council on Foreign Relations; CORRESPONDENTS: MARGARET WARNER; SPENCER MICHELS; CHARLAYNE HUNTER-GAULT; ANNE TAYLOR FLEMING;
