1)http://theeconomiccollapseblog.com/archives/11-international-agreements-that-are-nails-in-the-coffin-of-the-petrodollar
2)http://www.guardian.co.uk/commentisfree/2012/jul/30/olympics-opening-ceremony-economy 3)http://ablog.typepad.com/keytrendsinglobalisation/2012/07/shrinking_update.html