Hearsay With Cathy Lewis

In the latest installment of our ongoing series, we'll talk with the author of a new book that brings the nature vs. nurture argument to the Baby Boomer generation. In her book, "A Long Bright Future," Dr. Laura Carstensen writes that Boomers are not a victim of their DNA - and by making specific decisions in lifestyle and environment, they can determine how they live out the next 30 years.