One of the things I remember quite clearly from the 2016 primaries shitfuckery was that when exit polling seemed to show substantial discrepancies with the results, the response from the media was to cease doing the exit polling.

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"MIAMI — The elections supervisor in Florida’s second-most populous county broke state and federal law by unlawfully destroying ballots cast in Rep. Debbie Wasserman Schultz’s 2016 Democratic primary, a judge ruled Friday in a case brought by the congresswoman’s challenger who wanted to check for voting irregularities."

[politico.com]