This episode's headline: A Hard Bargain; Medicinal Weed?; Lost in Cyberspace. The guests include PRESIDENT CLINTON; CHARLENE BARSHEFSKY, Deputy U.S. Trade Representative; TAKAKAZU KURIYAMA, Ambassador, Japan; ANDREW CARD, American Automobile Manufacturers Association; DOUGLAS SMITH, Toyota; CLYDE PRESTOWITZ, Economic Strategy Institute; TETSUYA KATAOKA, Hoover Institution; CORRESPONDENTS: ROD MINOTT; ANNE TAYLOR FLEMING. Byline: In New York: ELIZABETH FARNSWORTH; In Washington: JAMES LEHRER