[Maris Crane]

He also had to fend off criticisms from his opponents, who have made an issue of his decision to leave the state to work in the Obama administration.

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Who is the “HE” referred to as going to work for Obummer?

Poorly written sentences.

[Dr. Sivana]

Who is the “HE” referred to as going to work for Obummer?

Poorly written sentences.

The "HE" is Huntsman. The confusion was caused by me being forced to be merciless in excerpting a long article. The original is probably more clear.