Luigi Di Palo, a youthful 56-year-old better known as Lou, runs Little Italy’s century-old Di Palo’s Fine Foods with his brother and sister. The store started out as a latteria, selling only fresh cheese, milk and butter. Di Palo likes to say that he and his family are among the “last of the real, original Little Italy people.” These days the store is a little Italy in its own right with hundreds of Italian specialties......