Terrific 60 Minutes piece last night based on Peter Schweizer's book, Throw Them All Out. Repeated examples of what's basically insider trading from congressional members of both parties.
In these cases the inside information isn't generally on corporate buyouts or surprising financial results about to be announced. The information is on impending changes in government policy that will affect corporate profits or the value of other assets. But guess what? Members of Congress are exempt from laws that apply to others in Washington banning profiting from inside political information. (For example, Bernanke can't go out and short bonds and stocks the day before he announces a huge increase in interest rates. For good reason.)
Check out this little flip by Dennis Hastert, from the 60 Minutes script: