Well, the General Accounting Office, the investigative agency of Congress, has announced that it will sue Vice President Dick Cheney to force him to turn over information about his energy task force. Usually I'm all for transparent government, but I think this is going a little too far. There's no accusation of wrongdoing that has any substance behind it, merely allegations from the regular opposition quarters.
What's interesting is why the GAO is suing now, when just a year ago it was stonewalled by the Clinton Administration and did nothing. National Review Online's Byron York looks into the details here.