English may be spoken by a whopping 1.5 billion ESL speakers around the world, but that doesn't mean it's an "easy" language to learn. For native English speakers, it's easy to take for granted just how irregular the English language is. In this interview episode, I chat with Arika Okrent about her new book, Highly Irregular: Why Tough, Through, and Dough Don't Rhyme and Other Oddities of the English Language.  Today's episode is brought to you by italki. Go to https://go.italki.com/anniversary-wordsforgranted to claim your $140 of italki credits.