Division of species

People who have read Ayn Rand must be aware of the distinction she makes about intelligent people , people who run this world ..and dumb people who are parasites on the forementioned class ..till now i thought this was only a philosophical aspect of life ..but acc to the following article it seems genetics is also headed this way ..check this out ..

http://news.bbc.co.uk/2/hi/uk_news/6057734.stm