"What does it mean that Trump has done well among middle-income and higher-income voters but not the most-educated? This suggests that his real base of support is small-business owners, supervisory and middle-management employees, franchisees, landlords, real estate agents, propertied farmers, and so on: those who are not at the executive pinnacle of corporate America (who largely have MBAs and other similar degrees) and those who are not credentialed professionals (doctors, lawyers, and the like), but the much wider swath of those people whose livelihood is derived from independent business activity or middle-band positions in the corporate hierarchy."

From Slump to Trump