This episode's headline: The Day After; How it Played; Shields & Brooks; In Memoriam. ANCHOR: JIM LEHRER; GUESTS: JOHN BURNS; SAID ARAKAT; SAMIR SHEHATA; COL. W. PATRICK LANG; MARK SHIELDS; DAVID BROOKS; RICHARD SCHICKEL; CORRESPONDENTS: KWAME HOLMAN; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN