The decision to cancel publication of the final Iowa poll before the Democratic caucuses has led to incendiary accusations that organizers had no legitimate reason to pull the survey and simply wanted to suppress its results.

A methodological error has been cited as the reason why the highly-anticipated final poll, originally scheduled to be released on the eve of Iowa’s Democratic caucuses, would not be made public.

The CNN/Des Moines Register/Mediacom survey, conducted by respected polling agency Selzer & Co, is viewed as one of the most accurate — and important — polls during the presidential primaries season. Several polls are released in the run-up to the Iowa caucuses, but the final survey is seen as by far the most consequential.

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