This week I’m in Lafayette, a town merely twenty-three minutes further from my San Franciscan office than my usual San Franciscan home, thanks to light rail. There are deer in the street and woods on the walk from the train to town. On this occasion at least, Lafayette doesn’t feel properly like a small town to me. I think it’s the main road. A lot of the town is spread along this single road, but the road itself doesn’t feel like its main deal is being Lafayette’s main road. It feels more focus...