Jimmy P. at the DNC—Another staple of the many convention speeches is the claim that Obamanomics, via government "investment," will create five million "green collar" jobs. But here's the thing: These jobs are, for the most part, not the kind of gigs many middle class folks would have much interest in doing: bike repair, hazardous material cleanup, landscaping, tree cutting, attic insulation, large-scale green waste composting. Then again, these jobs really aren't geared toward the middle class to begin with. A 2007 report by the city of Berkeley—of course!—described the potential pool of applicants for green collar jobs this way:...