This time of year, as college students return home for the summer, many parents may notice how many politically correct ideas they have acquired on campus. Some of those parents may wonder how they can undo some of the brainwashing that has become so common in what are supposed to be institutions of higher learning. The strategy used by General Douglas MacArthur so successfully in the Pacific during World War II can be useful in this very different kind of battle. General MacArthur won his victories while minimizing his casualties — something that is also desirable in clashes of ideas...