This is an archived article that was published on sltrib.com in 2016, and information in the article may be outdated. It is provided only for personal research purposes and may not be reprinted.

Utah Gov. Gary Herbert isn't ready to endorse a presidential candidate but the Republican says billionaire Donald Trump is a "wild card" in the GOP field.

Herbert told reporters on Wednesday that he doesn't understand how Trump can remain popular despite saying "anything that comes to his mind with no filter" that would cause other politicians to lose support.

Herbert says he's concerned that Democrats are choosing between Hillary Clinton and Bernie Sanders, a democratic socialist.

Herbert says he's surprised that "an avowed socialist" is neck and neck with Clinton.