This episode's headline: Victory for Vouchers; Fight for the Pledge. ANCHOR: JIM LEHRER; GUESTS: JAN CRAWFORD GREENBURG; HOWARD FULLER; SANDRA FELDMAN; JAY SEKULOW; REV. BARRY FLYNN; CORRESPONDENTS: KWAME HOLMAN; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN