It doesn't happen often but it does happen. I still remember John Doggett v. Senator Metzenbaum during the Hill-Thomas hearings which I commented about on an old thread. It could happen again if there are ever hearings about the "Fairness Doctrine" (or whatever they decide to call it this time). I get the sense that Mark Levin is spoiling for an opportunity to challenge these @$$holes.
ML/NJ
Levin might have the balls to do it.