This episode's headline: Trade Tangle; Cult Crackdown; Devil's Slide. The guests include MICKEY KANTOR, U.S. Trade Representative; TAKAKAZU KURIYAMA, Ambassador, Japan; KO SHIOYA, Bungei Shunju Magazine; BYRON EARHART, Western Michigan University; CORRESPONDENTS: LINDSAY TAYLOR; SPENCER MICHELS. Byline: In New York: ROBERT MAC NEIL; In Washington: JAMES LEHRER