This is also some pretty good background http://www.newyorker.com/reporting/2012/03/12/120312fa_fact_filkins?currentPage=all http://www.newyorker.com/reporting

This is also some pretty good background http://www.newyorker.com/reporting/2012/03/12/120312fa_fact_filkins?currentPage=all http://www.newyorker.com/reporting/2012/03/12/120312fa_fact_...