A front-page Wall Street Journal article published at the beginning of this week (see link below) and other news reports are calling public attention to the fact that, after many years of decline, manufacturing employment in the U.S. has modestly rebounded since the end of the Great Recession. Unfortunately, the Journal account and others appearing in major media outlets ignore data showing that even as the total number of manufacturing jobs increased by roughly 480,000 from 2009 to 2012, the number of factory jobs held by unionized workers fell by nearly 130,000. (Our source for these figures and those in...