He's right, too. Do you really think Sean Hannity is capable of building a solid intellectual base for conservatism? Do you think Rush Limbaugh's show is capable of selling conservatism to the 100+ million people who don't listen to his show?
The problem with talk radio is that it is incredibly shallow -- it's just the nature of the beast. It is not a medium that allows for deep, nuanced debate.
The GOP is not even interested in debate. Power and Pork Rule.