IN 2005, the least-affordable place in the country to live, measured by the percentage of income devoted to mortgage payments, was Salinas, Calif. The second was the Santa Cruz-Watsonville area of California. The third? Santa Rosa-Petaluma, Calif. In fact, California has the distinction of having the 11 least-affordable metropolitan areas in the country. One would need to go all the way down to 12th place — and across the country to the New York region's northern suburbs — to find a non-California metropolitan area on the least-affordable list of 2005. Much of California is pretty. It has beaches and the...