Many are the superheroes who have risen from the pages of the Bible over the millennia, but none is more heroic, none more romantic, than the story of King David. Where is the pulse that does not quicken at the sight of Michelangelo's masterpiece or the giant that does not cower at the sight of his lethal sling? But what if our timeless hero was somehow half mortal, finding himself in the middle of World War II? You'd have a man after God's...