"Before becoming executive chef and part owner of the California soul food restaurant Alta Adams in West LA, Keith Corbin had spent a quarter of his life in prison. Renowned as the best cook of crack cocaine in Los Angeles, Corbin more or less raised himself on the streets of Watts, learning to cook crack when he was only thirteen. He knew he was doing it right if it had the consistency of the roux his granny made for her gumbo. It was a violent business-one...