What do Jabba the Hutt and Khal Drogo have in common? Aside from funny names, they also speak a language that’s completely made-up. This hour, we’ll talk about how these foreign tongues add to their fantastical stories with David J. Peterson, author of “The Art of Language Invention: From Horse-Lords to Dark Elves, the Words Behind World-Building.” “Game of Thrones” fans will be familiar with the Dothraki language Peterson created.