City of Humanity vs. City of God

I remember growing up in the evangelical community that it was pretty common for people to assert that they are "a Christian first and an American second." Sure, people sometimes just said it in public as a way to show off the size of their faith, but judging from some polls a lot of Christians genuinely feel that way, and are likely to minimize the faith of a person who doesn't agree. I wonder if Mike Huckabee believes that? I'm pretty sure that, if he did, people would want to know that.

Think that might make a good debate/interview question? Why do you think no one's ever thought to ask him or any other candidate for any office whatsoever?