“As businesses starts grappling with health reform, it’s becoming clearer that the Obama plan is predicated on some false assumptions about the health care industry. Three assumptions underlying the legislation are simply wrong, making it hard to see how the plan ever reduces costs. It assumes that health insurers are highly profitable, that doctors and hospitals operate on lean margins, and that the source of change and innovation in health care delivery is going to come from hospitals and medical practices that consolidate into more closed provider networks.”