Everyone seems to be in pursuit of their ancestral roots. We find out that we are a percentage of this and a percentage of something else. But what do we do with that? Nothing? Looking back on our roots can give us all kinds of answers to who we are and why we are as we are. Recipes: Thumb Cookies with Marmalade; Linguine with White Puttanesca; Roasted Cauliflower with Breadcrumbs and Fried Rosemary.