RIVERBEND - Diana Maul Halstead never asked her father about the war.She grew up under the shadow of World War II and came of age in the Vietnam era, but her dad, Alton native Henry Maul, never spoke about his experience as a prisoner of war in Germany. When Maul passed away in 1997, Halstead was devastated that his story had died with him. But she was wrong. Her sister found Maul’s diary, and, 23 years after he had died, Halstead finally read it. She knew immediately that she had a new ca...