Chaotic headlines out of Washington, ice melting in Antarctica, world temps rising and global conflict on the rise… it could be worse. It could be Ragnarok. Writer Neil Gaiman retells the ancient Norse myth of the Twilight of the Gods and apocalyptic end of the world in his stunning new collection, “Norse Mythology.” We added some dark radio magic to Neil’s readings. And he tells us why Ragnarok is both hauntingly familiar and a perfect myth for our time.