This episode's headline: Iraq Strategy; Hearing the Arguments; Google's Growth. ANCHOR: JIM LEHRER; GUESTS: SEN. JACK REED; SEN. JOHN WARNER; JAN CRAWFORD GREENBURG; JOHN BATTELLE; DAVID VISE; CORRESPONDENTS: KWAME HOLMAN; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN