WILLIAM BRANGHAM, NEWSHOUR WEEKEND ANCHOR:
Faced with some of the most expensive rental housing in the nation, many San Francisco Bay Area residents are priced out of the rental market. An hour's drive south of San Francisco, in Silicon Valley, a mecca for high-paying American computer and technology industry jobs, some residents are even turning to cars, vans, and RVs as places to live. In tonight's Signature Segment, Special Correspondent Joanne Jennings reports how this trend exposes an unintended consequence of an economic boom for both the middle class and the working poor. This story is part of our ongoing series "Chasing the Dream," about poverty and opportunity in America.