Much fuss was made this week after a report was released that showed U.S. job satisfaction at its lowest level in two decades. In a time when millions are out of work, you’d think people would be happy to have almost any jobs. The Conference Board, a research firm funded by about 2,000 companies, commissioned the report, called “I Can’t Get No … Job Satisfaction, That Is.” The Conference Board concluded that “Americans of all ages and income brackets continue to grow increasingly unhappy at work,” and this message was widely discussed and repeated. The report was based on...