Health outcomes in the United States lag behind those in many other rich countries, especially for lower income groups and ethnic and racial minorities. These shortcomings arise even though health care expenditures represent almost one-fifth of this country’s national income. Amy Finkelstein and Liran Einav document the state of health care and health insurance in the United States as well as their suggestions for improvements in their new book 'We've Got You Covered: Rebooting American He...