Ken Masugi calls our attention to this essay by Richard Reeb. Heres a taste:
Undoubtedly, religious enthusiasm has energized our politics, even as it has increased votes for Republicans. Its healthy influence owes much to our Constitutions guarantee of freedom of religion and, in this land of multiple denominations, its official non-sectarianism. Moreover, revealed religion made common cause with practical wisdom in the Declarations affirmation of the equal rights of all. Americas common political language, therefore, arises from the "self-evident" truths that Tom McClintock, following Lincoln, draws upon in his political rhetoric.
Read the whole thing.