In September, I posted another vanity (linked below) in which I observed that the historical trends in this election favored Fred Thompson. Since then, his RCP average has dropped from about 22% to 16-17%. In the more volatile Rasmussen daily tracking poll, he has also dropped to 16%, about a 10 point drop from his post announcement high. In light of the above poll numbers, is it time for me to issue a mea culpa? No. This is not at all inconsistent with the hypothesis of my previous post. Neither of the successful insurgent candidates in modern times, Reagan or...