There has been an explosion of polls this presidential election. Through yesterday, there have been 728 national polls with head-to-head matchups of the candidates, 215 in October alone. In 2004, there were just 239 matchup polls, with 67 of those in October. At this rate, there may be almost as many national polls in October of 2008 as there were during the entire year in 2004.
Some polls are sponsored by reputable news organizations, others by publicity-eager universities or polling firms on the make. None have the scientific precision we imagine.
For example, academics gathered by the American Political Science Association at the Marriott Wardman Park Hotel in Washington on Aug. 31, 2000, to make forecasts declared that Al Gore would be the winner. Their models told them so. Mr. Gore would receive between 53% and 60% of the two-party vote; Gov. George W. Bush would get between just 40% and 47%. Impersonal demographic and economic forces had settled the contest, they said. They were wrong.
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