This episode's headline: Supreme Court Watch; SNewsmaker; Ad Watch. ANCHOR: JIM LEHRER; GUESTS: GERALD LEVIN; STEVE CASE; JAN CRAWFORD GREENBURG;JOHN CARROLL; KATHLEEN HALL JAMIESON; DOUG BAILEY; CORRESPONDENTS: PAUL SOLMAN; LEE HOCHBERG; RAY SUAREZ; MARGARET WARNER; SUSAN DENTZER; CHARLAYNE HUNTER-GAULT; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN; ROGER ROSENBLATT