This is too disturbing to describe. Rachel very likely cut to the core of the wingnut attacks on the president. And it's really, really disturbing. That said, the next 18 months should be extraordinarily fascinating -- to observe which conservative faction the Republican Party begins to embrace. The more secular George Will traditional conservative set, or the batshit end-times fringe. Add to the mix the fact that both Sarah Palin and Bobby Jindal have displayed varying signs of batshit end-times fringe tendencies.
Adding... 65 million copies sold. But I don't know if book sales are any indication of popularity. Sure, the Left Behind series is popular among the wackaloons, but it's also well-documented that various wealthy wingnuts like Richard Mellon Scaife literally buy up thousands of copies of books in order to artificially inflate sales figures.