Hasn't this link been posted here before? If not, sorry for not bringing it over here earlier!
I'm with David - it seems like a compilation (mainly) based on secondary or tertiary sources and hardly any statements are explicitedly referenced.
Chinese whisper, anyone?
I realize how tough it is to present a critical discussion on interesting topics like this. I do believe though that we need to adhere to academic and/or journalistic standards, if we really want to progress from story-telling.
Regards,
Kai