 Perhaps the most famous journalistic mistake caused by time pressure was the Dewey Defeats Truman edition of the Chicago Daily Tribune, based on early election returns that failed to anticipate the actual result of the 1948 US presidential election.Such a code of conduct can, in the real world, be difficult to uphold consistently.Reporting and editing do not occur in a vacuum but always reflect the political context in which journalists, no less than other citizens, operate.