Sen. Michael Bennet loses to Phil Weiser in Colorado governor primary upset

Colorado Attorney General Phil Weiser defeated Sen. Michael Bennet in the Democratic primary for governor Tuesday, delivering a major upset over one of the state’s most prominent Democrats.

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Bennet’s loss comes as several longtime Democratic incumbents across the country have faced increasingly competitive primary challenges this election cycle.

The Associated Press projected Weiser as the race’s winner less than an hour after polls closed, leading with 55% of the vote.