The United States spends more on health care than any other nation, but the system remains woefully inefficient. Consumers are fed up with soaring costs and poor outcomes, insurers take issue with market instability, and providers lament rising barriers to quality care. And while government is forced to contend with enormous financial strain, employers fear that rising health care costs will impact wages and sap their competitive advantage. Have the structural shortcomings of America’s fragmented system put us on the road to total system failure? Do we need to design tomorrow’s health care on a clean slate, or can innovations to the existing health care framework jolt the system back to life?