This episode's headline: OPEC - Oil Deal?; Burning Issue; Pumping Poison?; J.F.K.. The guests include PHILIP VERLEGER, Oil Expert; SAM SIMMONS, RJ Reynolds; DR. JAMES SAMMONS, American Medical Association; JOHN BANZHAF, Action On Smoking And Health; RICHARD COOPER, RJ Reynolds; CORRESPONDENT: KWAME HOLMAN; ESSAYIST: ROGER ROSENBLATT. Byline: In New York: ROBERT MacNeil; In Washington: JUDY WOODRUFF