I'm pretty sure that same question was asked decades ago. Here's a story of urban development in SF during the 50s. http://usatoday30.usatoday.com/news/nation

I'm pretty sure that same question was asked decades ago. Here's a story of urban development in SF during the 50s. http://usatoday30.usatoday.com/news/nation/2008-11-09-2450995649_x.htm http://usatoday30.usatoday.com/news/nation/2008-11-09-245099...