The Authority is Slate’s deep dive into the world(s) of HBO’s His Dark Materials. Each week, Slate’s scholars of experimental theology Dan Kois and Laura Miller discuss the new HBO series and Philip Pullman’s original trilogy. This week, they’re discussing episode 2, The Idea of North”, studying the relationship between Lyra and Mrs. Coulter, and a closer look at daemons. Join the conversation: Email: asktheauthority@slate.com Dan Kois on Twitter: @dankois Laura Miller on Twitter: @magiciansbook Podcast production by Phil Surkis, with engineering assistance from Melissa Kaplan.