It is very unfortunate that, the G20, did not BAN,Derivatives Trading in all its forms,which is the root cause of the present Global Financial Crisis.Regulation is also very important.

http://www.rense.com/general85/freeze.htm

http://www.independent.co.uk/news/business/news/west-has-to-deal-with-toxic-debt-to-end-recession-1662657.html

http://www.marketwatch.com/news/story/derivatives-new-ticking-time-bomb/story.aspx?guid={B9E54A5D-4796-4D0D-AC9E-D9124B59D436}