I think you'll find this video very fascinating. It's an intellectual Russian talk show where a famous linguist, Sergei Starostin (who sadly died in 2005), talks about the origin of languages and linguistic research.
http://video.google.com/videoplay?docid=6870742540534881872&ei=mbezSuDwB6WaqAKgkYSPAg&q=%D1%88%D0%B7#
http://video.google.com/videoplay?docid=6870742540534881872&ei=mbezSuDwB6WaqAKgkYSPAg&q=%D1%88%D0%B7#