A general rule of thumb in politics is that the title for the highest office reached is appropriate, so for Huntsman, that would be governor. Etiquette experts, though, say it’s the most recent. It could get a little confusing, because he was also the ambassador to Singapore during the first Bush administration. And of course, there’s politics…

Several of the other GOP presidential teams said they haven’t given much thought yet to how they will refer to Huntsman. An aide to one said, “Ah… Jon? No clue.” A spokeswoman for the Republican National Committee said that the party would defer to Huntsman’s campaign about how to refer to him. But there isn’t a campaign just yet, and potential advisers haven’t spoken with him, so no one can know for sure what he would prefer.

But as Ritchie noted, “They can’t control what other people call them.”