From Wikipedia:

Huntsman was elected Governor of Utah in 2004 and won re-election in 2008 with nearly 78% of the vote. During his tenure, Huntsman cut taxes by more than $400 million—the largest tax cut in the state's history—and Utah was named the "Best Managed State in America" by Pew Research Center.


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So he cut taxes and is a good manager. I thought conservatives like those qualities.

I guess to you "conservative" = "hates Obama", and certainly a lot of people share your definition. Probably not enough people to get anybody elected who is running only on that basis, however.