Life is hard at San Quentin, for correctional officers and inmates alike. But throughout my thirty-year tenure at the prison, during which I worked with such notorious criminals as Charles Manson, Sirhan Sirhan, and George Jackson of Black Panther fame, I saw lives changed every day-some for the better, some worse. My own life is one I like to think was changed for the better as a result of having been there. But it's all about choices. If I learned...