Novelist Ursula K. Le Guin describes for John J. Miller her latest effort, Lavinia. Who is Lavinia? In Virgil’s Aeneid, she is the second wife of Aeneas, and is barely mentioned. But Le Guin says, “Because Aeneas struck me as almost more of a novel character than an epic hero, a story began to go in my mind . . . What happens after the Aeneid ends, when they do get married?”