DETROIT, MI - In 2003, Sandy Arnold stood behind the bars of Wayne County Jail - yet the truest prison he faced was not made of concrete or steel. It was the relentless bondage of a 20-year addiction to crack cocaine that had drained his purpose, devoured his peace, and left him drifting between jobs, jails, and broken promises. Probation had come and gone-twelve violations in total-and now, he...