Count on it: If liberals lose on health care — either because no major legislation passes or because they consider whatever legislation does pass inadequate — they are going to blame the loss on a campaign of deception by their critics. While liberals have more political power now than at any point in at least three decades, they also have a generation of experience at being sore losers. So the town-hall protesters are going to be 2009’s version of the Swift Boat Veterans for Truth, Bush v. Gore, or the people who ran the Willie Horton ads: a way for …