Middle Class Worse Off Than You Think: MIT Professor

...Greenstone tells The Daily Ticker that after studying the data more carefully he found "that a lot of men are no longer in the workforce or are working part time.""If you put them back in, the earnings of the guy in the middle have declined 20% over the last four decades," he says. "As a result, the median earnings of men are back to the levels that prevailed in the 1960s."...
http://www.cnbc.com/id/49697900