henry copeland:

America is Regressing into a Developing Nation for Most People

majority of the low-wage sector is white, with blacks and Latinos making up the other part, but politicians learned to talk as if the low-wage sector is mostly black because it allowed them to appeal to racial prejudice, which is useful in maintaining support for the structure of the dual economy — and hurting everyone in the low-wage sector.  Temin notes that “the desire to preserve the inferior status of blacks has motivated policies against all members of the low-wage sector.”
- www.ineteconomics.org