Nowhere has there been so much hand-wringing over a lack of "affordable housing," as among politicians and others in coastal California. And nobody has done more to make housing unaffordable than those same politicians and their supporters. A recent survey showed that the average monthly rent for a one-bedroom apartment in San Francisco was just over $3,500. Some people are paying $1,800 a month just to rent a bunk bed in a San Francisco apartment. It is not just in San Francisco that putting a roof over your head can take a big chunk out of your pay check. The...