This is the compelling tale of Luke, a Korean adoptee who comes to an American family at age one and who gradually loses his life's way-to die from crack cocaine at age 21. It is also a story of his adoptive father, a CIA officer, who offers an unsparing and vivid account of his own efforts-wise, misguided, passionate, na ve, creative, ultimately unsuccessful-to save his son. Luke is warm, likeable, funny, quick to win friends-and a skilled deceiver,...