LOL, what a friggin LOON!! The reason there are relatively few lib talk shows is simply because there are no sponsors for them. Estrich is simply to stupid to understand the free market system and to further realize it is working perfectly.
There is no audience, therefore there is little sponsorship. Commercial free left wing radio thrives on tax sponsorship and charitable contribution.
The national left-dial programs rarely take calls on the air either so good luck challenging the hosts/guests. All Things Considered From Our Perspective.