This episode's headline: Newsmaker - FDA; Korean Divide; Culture Clash. The guests include DR. DAVID KESSLER, FDA; ALAN ROMBERG, Asian Affairs Analyst; KONGDAN OH, Korean Affairs Analyst; K.A. NAMKUNG, Korean Affairs Analyst; CORRESPONDENTS: ELIZABETH BRACKETT; PAUL SOLMAN. Byline: In New York: ROBERT MacNeil; In Washington: JAMES LEHRER