An article of the above title is the best I have seen on explaining the mechanics of rigging the futures market, and how/why it is allowed (helped) to continue. The author, Avery Goodman, explains the relationship between government regulators and their collusion with their former (and future) employers, Goldman Sachs, J P Morgan Chase, etc.
The article appeared in Seeking Alpha July 30, 2009 and can be seen at:

http://seekingalpha#com/article/152438-cftc-the-key-t o-market-anipulation?source=article_lb_author

Copy the above link and paste it into the address line of your browser. Replace the "#" in front of "com" with a "." and it should take you there.

Very much worth the read for those of us not sophicated in price manipulation thru derivitives, and how the CFTC works.

. . . GEJ