By Conor Dougherty.
Spacious and affordable homes used to be the hallmark of American prosperity. Today, however, punishing rents and the increasingly prohibitive cost of ownership have turned housing into the foremost symbol of inequality and an economy gone wrong. Nowhere is this more visible than in the San Francisco Bay Area, where fleets of private buses ferry software engineers past the tarp-and-plywood shanties where the homeless make their homes. The adage that California is a glimpse of the nation's future has become a cautionary tale.