San Francisco births are headed for a steep decline. According to projections from demographic researchers at California's Department of Finance, San Francisco is one of just four counties in the state with projected drops in births over the next decade, along with Humboldt, Alameda and San Mateo. But San Francisco's drop will be the largest, with 2,064 fewer births in 2019 than in 2009, a fall of 23%, while San Mateo has the second-biggest projected percentage decline of 8%. The trend could be driven by people in their 20s and 30s fleeing San Francisco's high housing and rental prices over the...