This last few weeks, we've heard a lot about research conducted by Ziobrowski et. al. (see here and here) on the possibility of informed trading by Senators and Congressmen. Based on abnormal returns earned on their portfolios, it appears that they do use their "inside information" in ways that would be illegal for those not in government service. In case you haven't seen it, here's the 60 Minutes story that brought Ziobrowski's research into the public eye:
Now here's another fun fact - Congresscritters not only get to profit from material nonpublic information, they also get to reveal it to select parties too. It seems like a number of hedge funds regularly meet with members of congress to get fast track access to this information. Here's a video from the Wall Street Journal for your viewing pleasure.
And here I though our elected officials were pure of heart and above approach (sorry - I think I shouldn't have changed my meds without doctor's orders).