This coincides very well with the rotten library article on GWB. I've always thought he was just faking the 'gool ol' boy' persona. Nothing in his background is the slightest hint of blue collar.

He does try to cover up his roots, (one of the reasons he lost his first run at public office), but pretending to be a dumbass? Hmm. I'm not sure. Good video though

Changes in GWB over 10 Years