..."Many of the problems in Sacramento were brought on by overbuilding, because there was land for houses and it was inexpensive," said Delores Conway, director of the Casden Forecast at the University of Southern California Lusk Center for Real Estate. "The good news is that they've stopped building. But more than 40 percent of home loans were financed with subprime loans in 2006 - and many Hispanic and other ethnic groups who couldn't normally afford to buy found the money."...