Proposition 131 – Colorado’s open primary and ranked-choice voting ballot measure – would be a seismic change for state elections. Here’s how.

If approved by Colorado voters this November, Proposition 131 – the ballot measure being pushed by a Denver-based multimillionaire – would radically reshape how the state holds elections. It would abolish political party primaries, the process used to nominate party candidates who compete in a general election, in…

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