Jon, you should have never left! Would he have run for a third term?
No, probably not. There were rumors even before he became Ambassador that he was going to run (in fact the rumor was that Obama shipped him off to per-emptively remove him as a serious contender), so I figure that he wouldn't have bothered with a third term.
Oh, and in regards to the actual gubernatorial race, both Herbert and Cooke are going to the general election without a primary; Cooke was completely uncontested and Herbert barely got over the 60% needed to avoid a primary on the second ballot.
Well, Obama certainly hurt the chances of a conservative Mormon governor who had a rich daddy and was seen by many as being more liberal than he actually was. Too bad there were two of them. Fail for Obama.