While Sen. John McCain’s Saturday rally in Woodbridge appeared to go off without a hitch, his campaign continued its now well-worn tradition of saying something of questionable judgment over the weekend. In an appearance on MSNBC on Saturday, McCain campaign talking head Nancy Pfotenhauer accused voter-rich Northern Virginia of not being, well, Virginia enough. “The Democrats have just come in from the District of Columbia,” she said of the area. “The rest of the…