Des Moines Register pulls gold-standard Iowa Poll after potential issue

Image: Pete Buttigieg
Democratic presidential candidate and former South Bend, Ind., Mayor Pete Buttigieg on Saturday in Cedar Rapids, Iowa. Copyright AP
By Alex Seitz-Wald with NBC News Politics
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The highly anticipated poll was suppressed after Pete Buttigieg's name may have been left off of a list of candidates read to some respondents.


DES MOINES, Iowa — The only poll that mattered before the only poll that matters has been canceled.

The Des Moines Register and CNN decided late Saturday not to release their highly anticipated poll of Monday's Iowa caucuses after a potential error was brought to their attention by the campaign of Pete Buttigieg, the former mayor of South Bend, Indiana.

"Nothing is more important to the Register and its polling partners than the integrity of the Iowa Poll," Carol Hunter, the executive editor of the Register, said in a statement. "Therefore, the partners made the difficult decision to not to move forward with releasing the Iowa Poll."

The Iowa Poll, conducted by Ann Selzer for the Des Moines Register and other media partners, in this case CNN and Mediacom, is widely considered to be the most accurate survey of the state, and its results have often predicted the outcomes of elections even as others missed.

But on Saturday, a Buttigieg supporter, who said they were surveyed by a survey taker working for Selzer, claimed the former mayor's name was left off a list of candidates' names she read. The supporter raised the issue with the campaign, who took it up with Selzer.

After looking into the issue, Selzer and the media partners said they could not guarantee the results had not been compromised and decided to kill the final poll before Monday's crucial first-in-the-nation caucuses.

"The Register has published the Iowa Poll for 76 years, and it is considered the gold standard in political polling. Selzer & Co., which conducts the poll, is recognized for its excellence in polling. It is imperative whenever an Iowa Poll is released that there is confidence that the data accurately reflects Iowans' opinions," Hunter said.

Vermont Sen. Bernie Sanders led in the most recent Register poll, which was released earlier this month. Previous surveys, released last year, had Buttigieg in the lead, and Massachusetts Sen. Elizabeth Warren before that.

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