This episode's headline: China Trade Debate; Wooing Women Voters; Making the Grade; Light on Down Under. ANCHOR: JIM LEHRER; GUESTS: REP. JENNIFER DUNN, (R) Washington; SEN. PATTY MURRAY, (D) Washington; RUTH MANDEL, Rutgers University; BILL BRYSON, Author, ""In a Sunburned Country""; THOMAS KENEALLY, Author/Novelist; CORRESPONDENTS: FRED DE SAM LAZARO; BETTY ANN BOWSER; SUSAN DENTZER; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN