The Trump campaign has accused Ted Cruz of using unfair tactics to win Colorado delegates, and Matt Drudge also doesn’t think the process was fair:

Is it really very “stunning”? The system that was used in Colorado this month was no secret, as the Denver Post reported in August of 2015:

Colorado will not vote for a Republican candidate for president at its 2016 caucus after party leaders approved a little-noticed shift that may diminish the state’s clout in the most open nomination contest in the modern era.

The GOP executive committee has voted to cancel the traditional presidential preference poll after the national party changed its rules to require a state’s delegates to support the candidate that wins the caucus vote.

The move makes Colorado the only state so far to forfeit a role in the early nomination process, according to political experts, but other caucus states are still considering how to adapt to the new rule.