Hemingway and Gellhorn was released as an HBO special starring Clive Owen and Nicole Kidman. Jerome Tuccille's new book about the couple explores Hemingway's tumultuous marriage to his third wife set against the backdrop of the Great Depression in Key West, the first revolution in Cuba, the Spanish civil war, World War II, and the war in China. It is as much about their activities as intelligence agents and the great political and economic events...