I visited a prison recently as part of my job. As I walked along a sidewalk near some repair work being done, I was struck by the sight of several jail cell doors stacked on top of each other. These once impermeable doors were now of no use for keeping prisoners at bay. What once held back criminals was now just a stack of metal…their usefulness, and power, gone. Prison cell doors are massive, weighing 500 – 2,000 pounds each. You …