A. BARTON HINKLE It’s not yet clear whom Virginia Democrats will pick on Tuesday to run against Bob McDonnell and Bill Bolling, the GOP candidates for governor and lieutenant governor. (The unopposed Democratic candidate for attorney general, Steve Shannon, will square off against Republican Ken Cuccinelli.) But this much is clear: Whatever the Democratic ticket looks like, it will be the most extreme, radical, wild-eyed bunch of borderline psychotics ever to campaign for public office in the history of the universe.