I was dead for thirty seconds. That's what the cop in Fall River told me. When the EMTs found me, there was a needle in my arm and a packet of heroin in the front seat. At basketball-crazy Durfee High School in Fall River, Massachusetts, junior guard Chris Herren carried his family's and the city's dreams on his skinny frame. His grandfather, father, and older brother had created their own sports legends in a declining city; he was the last, best...