What Good Is Genealogy?

In her article, "What Good Is Genealogy?," author Judy Rosella Edwards writes, "This is a common question. My answer is that it gives us a chance to correct the past, where necessary, and create a better future." That answer is at the heart of a movement that has grown out of one New England family's search into their own genealogy, as documented in the PBS movie "Traces of the Trade."