D o you want to be lamer than babies?” Peaches’ shouted exhortation to her fellows really wasn’t as harsh as it reads. We had gathered in our front yard—The Three, a young friend and I—so that they might help me prepare for a four-day stint as a PE teacher for kindergarteners. The children had assumed the roles of, well, children while a bed sheet stood stead for the parachute that would be my only hope of maintaining order through 16 classes during my time there. “You didn’t tell me that some of the children wouldn’t come out from under the parachute when I told them to,” I observed resentfully. We would run through the games I planned to play with the students until I…