Never is the generosity and spirit of the Italian table more evident than at the holidays, when great food and good times are on the menu in every household. In his new book, Mario Batali captures all the flavors of this festive season with enticing recipes that showcase the brilliance of simple Italian food at its best. Four complete menus offer abundant meals for the holidays, starting with the seafood extravaganza known as the Feast of Seven Fishes,...