This episode's headline: Update - Hurricane Katrina; Oil Jitters. ANCHOR: JIM LEHRER; GUESTS: JOE CONTRERAS; JOHN RENNIE; RED CAVANEY; CORRESPONDENTS: ALEX THOMPSON; KWAME HOLMAN; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN