In the next few days "The Monuments Men," directed by George Clooney and boasting an all-star cast, will be previewed in staid and upper-crust locations such as the National Gallery of Art and Harvard's Kennedy School of Government before being released nationally on Feb. 7. This makes sense, for the film is about a small group of art professionals, many of them from Ivy League colleges and top U.S. museums, who, in the last days of the war and well after the surrender of Germany, secured and preserved millions of European cultural objects looted by the Nazis and returned them to the nations from which they...