If you've ever studied a foreign language, you know what happens when you first truly and clearly communicate with another person. As Zora O'Neill recalls, you feel like a magician. They say that Arabic takes seven years to learn and a lifetime to master. Steeped in grammar tomes and outdated textbooks, O'Neill faced an increasing certainty that she was not only failing to master Arabic, but also driving herself crazy. She took a decade-long hiatus,...