From time to time I get the impression that the conservative talking heads are just in it for the money, and don't much care what they say as long as it sells. In contrast, I get the feeling that most of the progressive pundits really care about the issues. I admit a huge about of bias in these impressions, so I did some random searches at
http://www.opensecrets.org/ to see who was putting their money where their mouth is.
Note: This was just a quick check, I may have missed some donations.
On the left:
Al Franken: Kerry & others
Janeane Garofalo: Dean & others
Sam Seder: Assorted candidates
David Brock: Clark & others
On the right:
Ann Coulter - $0
Rush Limbaugh - $0
Sean Hannity - $0
Joe Scarborough - $0
Micheal Wiener (Savage) - $0