Sarah Posner highlights some of Newt's attempts to merge church and state. Along the same lines, here's an example of Newt's rhetoric from March of this year:
I am convinced that if we do not decisively win the struggle over the nature of America, by the time they’re my age they will bein in a secular atheist country, potentially one dominated by radical Islamists and with no understanding of what it once meant to be an American.
Will Wilkinson dismantled some of Gingrich's common tropes this summer.
The Dish 