This episode's headline: Policy and Protest; Trade and Democracy; Supreme Court Watch; Low Cost Housing. ANCHOR: JIM LEHRER; GUESTS: MAYOR PAUL SCHELL, Seattle; DAVID SANGER, New York Times; DREW LIU, China Strategic Institute; JIM MANN, Los Angeles Times; STANLEY LUBMAN, Stanford University; JAN CRAWFORD GREENBURG, Chicago Tribune; CORRESPONDENTS: SPENCER MICHELS; RAY SUAREZ; TERENCE SMITH; GWEN IFILL; KWAME HOLMAN; ELIZABETH FARNSWORTH; FRED DE SAM LAZARO; SPENCER MICHELS; KAYE; MARGARET WARNER; SUSAN DENTZER