Group Enchantment/m brainwashing of Christian Fundamentalists? What have others heard?

It doesn't appear to me that the others have really answered your question, as it is expressed. It's my belief that something like what you've suggested has been taking place. Namely, the so-called Christian right has been infected with the notion that our country's leaders ascribe to the Christian faith, and that therefore the rest of the mythology of our current political climate (of somehow being under malicious attack and therefore justified in horrendous pre-emptive oppression) is somehow consistent with or emanating from that faith and belief system. Indeed, there's no biblical basis for imposing theocracy on the world, and of course, that's not at all what is happening, in any case.