The brilliant organizers of the cio understood that within the industrial economy of the mid-twentieth century, steel, coal, and other key industries mattered more than other industries. Within the service economy today, education and health care are the strategic sectors. For at least the next couple of decades, there can be no exit threat: Schools and colleges, nursing homes and hospitals, clinics, and many other components of the always-changing education and health care delivery system can’t be moved offshore, automated, or relocated from a city to its suburbs or from the North or Midwest to the Sunbelt.