For countless millions, Humphrey Bogart's screen performances and real-life persona merged to make him one of the world's most fabled figures-a legend of mythic proportions. Or, as his Sam Spade would have put it-the stuff that dreams are made of.But for his only son, Stephen, eight years old in 1957 when his father died of lung cancer, Humphrey Bogart's giant shadow was a burden he carried until he finally came to understand the private man behind...