Racing, swerving, changing lanes along the car-height cement medians, through green and yellow lights – stop; red. The brake pedal feels the pressure that the accelerator needed relief from. But not for long. Now rushing over the pavement, past the two-story houses and finally that long brick wall surrounding a regimented campus, which soon gives way to equally historic brick buildings and one more stop light; left lane… Waiting. At first with just one other vehicle. A white van with Pennsylvania plates and a steel ladder attached to the roof. White lines make long lanes, soon to be filled from end to end with cars of all makes and from a…