You want to talk insider trading? How about politicians trading stock(short and long) on information not available to the public? i.e. from the fed(interest rate and economic forecasts), based on upcoming legislation, etc., etc.
Or buying land and then influencing where highways and subdivisions can be built?
60 minutes had a great expose on all this tonight:
http://www.cbsnews.com/83...rmation/?tag=pop;stories

  "Written But Not Read"