Culinary historian LAURA SHAPIRO will read from and discuss her critically acclaimed new book What She Ate: Six Remarkable Women and the Food That Tells Their Stories. It’s a diverse collection of women, including Rosa Lewis, the Cockney caterer who cooked her way up the social ladder; Eleanor Roosevelt, protector of the worst cook in White House history; Eva Braun, Hitler’s mistress; and Helen Gurley Brown, the editor of Cosmopolitan; as well as Barbara Pym, whose deft descriptions of food illuminate…