Was this the revenge of the suburbs? When Gov. Arnold Schwarzenegger announced plans to take unscripted questions from a random group of voters out in Walnut Creek, there was a hint of a smile from the burbs. This was the flyover governor, the guy who announced his candidacy on "The Tonight Show," and who spent more time on "Larry King" than out in the hustings. And now, last night, there he was, in tree-lined Walnut Creek, right across from Cheap Pete's framing store, just down the street from Crogan's Sports Bar, meeting with the real people. Was this a sea...