To promote the release of her new record, Circus, on November 30 MTV will air a 90-minute infomercial "documentary" in which Britney Spears explains her crazy lonely self in her own new designed-by-Marlboro voice: [videoembed size="full_width" alignment="center"][/videoembed] It'll be like Truth Or Dare, if Truth Or Dare had been directed by Madonna's publicist. We're all going to learn a lot ...