True Causes and Others: Three Letters regarding Malthus and 7 billion

Thanks very much to Ronald Bleier for this fascinating essay on Thomas Malthus.  It is well worth reading to find out what Malthus really said in his 1798 essay on population.  To download a copy, visit https://docs.google.com/open?id=0B5F-idWfw7TeYzUwY2VkZjMtNmViYi00MzhlLWI4MTMtOGJlNDExODcyZjNj