I generally agree with Cathcon, but I think it's important to distinguish between Church and God. While Church and State may be separate to make sure neither entity interferes in the administration of the other, I don't believe anyone ever intended God to be precluded from government.
Well, no. We want
folks to vote and govern according to their beliefs and core values. The way this works in America means that we come late to much-needed change sometimes, but on the whole I'd say it's been immensely good for us as a polity and a people.