Life in the Bike Lane Tom Frady You six loyal readers know I am nothing if not a student of human behavior. But forget university laboratories. Forget focus groups. To witness seemingly rational adults become confused, uncertain and participate in a silent philosophical debate, look no further than a four-way stop. Bring a note pad. The rules are simple. The first person to arrive goes first. If two vehicles arrive simultaneously, the vehicle on the right has the right-of-