Big-spending fight over ranked choice voting scrambles party alliances in Colorado

Proposition 131 would eliminate partisan primaries and introduce ranked choice voting for congressional, gubernatorial, and other statewide races.

The measure has faced pushback from both parties on different grounds, including Democrats and Republicans , who say it's an opportunity for dark money to pour into Colorado 's election system.

Voters in Arizona , Idaho , Montana , Nevada , and South Dakota will also vote on whether to introduce open primaries in their states.

There is a ballot initiative in the Last Frontier State to undo the ranked choice system, with repeal supported by national Republicans and House GOP candidate Nick Begich .

The system is designed to give more centrist candidates a better chance at winning, but Republicans believe its results do not reflect the state's partisan makeup.

A wave of funds from wealthy donors have flooded into the Prop 131 campaign, with total contributions currently standing at nearly $16 million .

“It confuses voters, delays election results, unfairly overburdens election workers, and would likely lead to some Coloradans casting more votes than others.” The Washington Examiner reached out to Bennet for comment..