Members of American Mensa range in age from 2 to 102. They include engineers, homemakers, teachers, actors, athletes, students and CEOs, and they share only one trait — high intelligence. To qualify for Mensa, they scored in the top 2 percent of the general population on an accepted standardized intelligence test. As a member, you have the opportunity to meet other smart people at local, regional and national levels. You can attend entertaining, intellectually stimulating events and exchange ide …