In the '80s and '90s, Spider Robinson wrote a series of books about Callahan's Crosstime Saloon, a watering hole whose regulars included time travelers, aliens, mythological creatures, and the occasional talking dog. Ethan Poschman, co-host of the podcast A Special Presentation, Or Alf Will Not Be Seen Tonight, joins us to talk about why this story about storytelling needs to be a movie, or a series, or a little of both.