After thinking about it I agree with your comment on Roberts. I was reacting to the time "he got mad." That was when the NSA leak was new and he was livid that the program was being mischaracterized by people who he was sure knew better.
Maybe we need to start a scorecard on both members of Congress and "outside experts" so that we can recommend people to the shows on a given topic. We need to build up a bullpen.
Shall we start a thread?
I'll let you do that if you want. It may be better to suggest privately, to the Senators, Representatives and networks themselves rather than be public about it. I wouldn't want to start a rift of jealousy doing it.