All the alphabets is use in the Western world, from that of Russia to that of the Basques, from that of Portugal to that of Peru, are derivatives of the Graeco-Roman letters. Their unique separation of sight and sound from semantic and verbal content made them a most radical technology for the translation and homogenization of cultures.

A real language lies behind reconstructed Proto-Indo-European, just as a real language lies behind any dictionary. And that language is a guide to the thoughts, concerns, and material culture of real people who lived in a definite region between about 4500 and 2500 BCE.

Access to the scouts’ information defines the pool of potential migrants. Studies have found that the first 10% of new migrants into a region is an accurate predictor of the social makeup of the population that will follow them. This restriction on information at the source produces two common behaviors: leapfrogging and chain migration. In