Whalen: Who rigged U.S. economy against workers?

Widespread worker insecurity and downward mobility in today's American economy contrast sharply with expanding prosperity and opportunity in the postwar era that extended into the mid-1970s. In that earlier period, good-paying jobs were so plentiful that high-school-educated workers sometimes held two full-time jobs because the income was too hard to pass up. Truly honoring Labor Day requires asking: What happened? Who rigged the economy against workers — and how did they rig it?