It has always been very difficult for an advanced and comfortable culture—as that of the industrialized and technological world—to recognize the raw brutality of an evil they rarely experience within the relatively soft confines of modern urban and suburban life; and that difficulty is what led to the immense damage the tyrants of the last centuries, through two world wars, were able to inflict upon us.
This article from the Wall Street Journal looks at the tyrants of this century, some of whom make the same rants as those of the last, and ask if evil will again be allowed to grow to a much more destructive level before we act.