I generally like to leave open the possibility that I’m wrong. I try to avoid having strong opinions. In a few cases however, I fail in this. This article is about one of them. I ride a lot of public transit both in in my home city of San Francisco and while I’m traveling. While I generally succeed in finding my way around stations and streets, I’m often lost as I pop my head out of the station and try to orient myself to the street. I pull out my phone, but that can generally only tell...