Polls are a centerpiece of our political news, especially as we get closer to Election Day. Journalists and forecasters will lean on these surveys to answer the question that will define the next five-plus weeks: Who will win? Kamala Harris or Donald Trump? The pressure to break the news first creates a danger represented most infamously by a three-word Chicago Tribune headline: “Dewey Defeats Truman.” This blunder stemmed from the certainty that journalists felt, based on the polls, that New York Governor Thomas Dewey would defeat President Harry Truman in 1948. [time-brightcove not-tgx=”true”] Washington, D.C.-based business journalist W.