EntertainmentLast month I revisited my alma mater, Smith College in Northampton, Mass., to moderate a panel called “Empowering Young People Through Stories.” I know, I know: Where’s the AARP angle? Well, afterward I was approached by a friendly blonde who introduced herself as “Cindy, Class of 1982.” That made her 52, by my reckoning. We started talking books, naturally enough, and it turns out that Cynthia Copeland, as she is known professionally, has written 40 of the things, including Really Important Stuff My …