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Polling's 'spectacular disasters'

Former Hewlett-Packard boss Carly Fiorina is expected to make the main GOP debate on September 16, after CNN tweaked its selection criteria. It blamed a lack of recent high-quality polls of the 17 Republicans running for president. That speaks to the disruption in the business of polling, where track records have taken a hit over the past few years. #FullNewsAudioAvailable


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