This episode's headline: Campaign for Kosovo; Kids and Violence; Fallen Star. ANCHOR: JIM LEHRER; GUESTS: IVO DAALDER, Former NSC Staff; WILLIAM HYLAND, College of William & Mary; TOBY GATI, Former State Department Official; CORRESPONDENTS: TOM BEARDEN; TERENCE SMITH; PHIL PONCE; MARGARET WARNER; KWAME HOLMAN; BETTY ANN BOWSER; ELIZABETH FARNSWORTH