By Chris Bernucca This NBA lockout is a 12-inch stupid sandwich. The owners have been stupid in believing they could get back in one negotiation everything they have given away over the last 12 years. The players have been stupid in underestimating the backlash from a fickle fan base hit hard by a nationwide economic malaise. And both sides have been extremely stupid in coming close enough to shake hands, then refusing to with the childish insistence of “You first!” It is another in