As he campaigns across the country this week in anticipation of the Super Tuesday primaries, Mitt Romney probably won't say much about the storied health-care plan he signed into law as governor of Massachusetts. For one thing, it is hard to portray yourself as the ideological heir to Ronald Reagan when your health-care plan is virtually indistinguishable from the one proposed by Hillary Clinton. But another reason Romney may not want to talk about his plan is that it has been a dismal failure. The Massachusetts plan was supposed to achieve universal health coverage while controlling costs. As Romney wrote...