The optimism and excitement author Joseph K. Davis and his wife, Darlene, shared in the birth of their firstborn son, Joseph Davis II, quickly turned into fear and uncertainty in January of 2000. They received the news that he had been born with life-threatening sickle-cell anemia, a genetic blood disorder characterized by red blood cells that assume an abnormal, rigid, sickle shape. The Davis family was prepared to do anything they could to help...