You really are living in a fantasy world. No poll out there shows Palin doing well with evangelicals, let alone in Iowa. Nor has she shown a willingness to speak on social issues unless she is getting paid to do so.
Iowa evangelicals are solidly in the camp of Bachmann and there is no reason to believe that is going to change because Bachmann comes off a a greater champion of social issues than Palin or any other candidate. Perry has the largest percentage of evangelical support nationally and that may well translate into significant evangelical support in Iowa. The Response gives him credibility among Iowa evangelicals..
She had no path to victory in Iowa. Her campaign is DOA in NH. If she gets buried those to states, it will game on and game over.
Bachmann will be out of money in a couple months.