(Commentary) Thus you get the seemingly incongruous but immensely revealing cooperation, starting in the 1950s and continuing today, between white supremacists and “libertarians.” Who thereby show their true colors. Nancy MacLean’s “Democracy in Chains” is illuminating on this point. Her book describes the career of the influential Nobel laureate economist James M. Buchanan [once a UVA faculty member], one of the founders of public choice theory, which is devoted to the impeccably capitalist goal of exposing and explaining the systematic failures of government.