Welcome to The Authority, 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 the season finale, “Betrayal.” Plus, a closer look at New Line’s 2007 attempt to film The Golden Compass with Nicole Kidman and Daniel Craig. Why did that movie fail so badly? Join the conversation: Email: email@example.com Dan Kois on Twitter: @dankois Laura Miller on Twitter: @magiciansbook Podcast production by Phil Surkis, with engineering assistance from Melissa Kaplan and Asha Saluja.