Guest host Cynthia Nixon presents two stories about extreme love. In “Magic and Dread,” an excerpt from Jenny Offill’s novel Dept. of Speculation, a new mother is exhausted and exhilarated. The reader is Kaneza Schaal. Broadway star BD Wong reads the story of the doomed love affair between a Trojan warrior and Dido, the Queen of Carthage, from Virgil’s Aeneid.