When a disaster destroys your home, there are basically two responses. You can choose to start afresh, and build an entirely new house. Or, you can rebuild the house you had before, brick by brick, because it was familiar and because you loved it. That was the dilemma facing Avila Beach, an unincorporated community San Luis Obispo County, which found itself with the rare opportunity of rebuilding after a near-total demolition. The community's decision says much about both planning and the human di...