If you're into this sort of stuff, John McWhorter describes this theory and many others in his introductory book to (mostly historical) linguistics, The Power o

If you're into this sort of stuff, John McWhorter describes this theory and many others in his introductory book to (mostly historical) linguistics, The Power of Babel [http://www.amazon.com/Power-Babel-Natural-History-Language/dp/006052085X http://www.amazon.com/Power-Babel-Natural-History-Language/d...].