These days people work hard at being serious. We think that being serious is the only way to be taken seriously. Being serious is a serious business. Other experts suggest some of us are wired that way. You know those sober types with no sense of humor might be victims of heredity. If true, they are either incapable of or at least severely challenged with, humor. Or people might just be miserable finding humor in short supply. According to research, humor and seriousness are