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Dr. Gerald Klee led an unsuccessful effort to persuade President... News PhotoBaltimore - Maryland,Chemical,Effort,Failure,Human Interest,LSD,Maryland - State,Obituary,Persuasion,USA,Vertical,WeaponPhotographer Collection: Tribune News Service 2013 MCTDr. Gerald Klee led an unsuccessful effort to persuade President Nixon to renounce the use of LSD as a chemical weapon. (Baltimore Sun/MCT via Getty Images)