The debate about health care reform is under way, and for that we should all be grateful. There is little question that reform is needed to control costs, ensure access for the tens of millions of Americans who have no health coverage, and improve the quality and consistency of the care delivered. What we need to guard against as the debate develops is the tendency, already in evidence, for the proponents of various plans and approaches to emphasize the points on which they disagree.Two years ago, an exceedingly diverse group of organizations — businesses in all sorts of industries, . . .