More San Francisco adults smoke than those in most other urban and suburban counties in California, according to data on smoking rates released by state health officials Monday. The numbers, which are based on 2008 data and for the first time include statistics from every county, show that adult smoking rates statewide have dropped 42 percent since 1988 to the lowest levels ever - 13.1 percent. That makes California second to Utah, which has the country's fewest smokers per capita. Counties that are more urban and suburban tend to have significantly lower smoking rates than rural areas. Exceptions in California...