This episode's headline: Trade Opening; Politics and the Court; AIDS in Africa; Favorite Poem Project. ANCHOR: JIM LEHRER; GUESTS: CHARLENE BARSHEFSKY, United States Trade Representative; PETE PETERSON, U.S. Ambassador, Vietnam; RALPH NEAS, People for the American Way; C. BOYDEN GRAY, Former Bush White House Counsel; STUART TAYLOR, National Journal/Newsweek; ANTHONY LEWIS, New York Times; RICHARD HOLBROOKE; MARY McWHORTER, Accountant; CORRESPONDENTS: FRED DE SAM LAZARO; BETTY ANN BOWSER; SUSAN DENTZER; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; ROGER ROSENBLATT; KWAME HOLMAN