I. The main theme of the article can be summarized as... 2. What are some of the evidence (statistics) and reasons (inferences) that support the theory that our population is aging? Do you believe that this is a good trend or a bad trend? Explain why. 3. The article reports a sex ratio of 96.7 for the U.S. population in 2010. What does this statistic reveal (inference) about our changing population