03/28/2008 02:45 am ET Updated May 25, 2011

Krugman Attacks Obama Over 527 Debate With Edwards

Once upon a time, back when America had a strong middle class, it also had a strong union movement.

These two facts were connected. Unions negotiated good wages and benefits for their workers, gains that often ended up being matched even by nonunion employers. They also provided an important counterbalance to the political influence of corporations and the economic elite.

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