Here is a link to an article about "Christian Nationalism" with some really interesting statistics.
Here are some sample quotes:
As I wrote almost exactly a year ago, "Christians aren’t called to make a kingdom here on earth; God calls Christians to pave the way for His eternal kingdom."
"You say when I oppose abortion, my morality is imposed on the woman. But when you support abortion, your morality is getting imposed on the baby," he suggests as an example. "The question isn't whether morality gets legislated. The question is 'Whose morality gets legislated?'