Exactly when the first exit poll was conducted is open to debate. Warren Mitofsky believed it took place in November 1967 and was conducted by CBS news for a gubernatorial election in Kentucky. In contrast, Bud Lewis, former pollster for the Los Angeles Times, believed it was in June 1964, when NBC news gathered data from California voters exiting polling places in twenty-one sampled precincts on the day of that state’s primary election.
