Do Things Have to Burn Down to Grow?

Sally Kohn: I want to start out with this piece that you wrote for us. It's an article about the Great Fire in San Francisco after the 1906 earthquake. What they found was essentially that by using this sort of randomness of where the fire line stops, it can blow up some buildings and build a bigger one. And then across that fire line is a smaller building, less intense, less mixed use. She says she wrestles with both as an incremental developer and someone who wants to see places evolve organically.Kohn: We need to make sure we don't just jump from single family to duplex to three or fourplexes. To create strong towns there has