After listening to Air America for a week, I now know what liberal radio is. It is Janeane Garofalo bantering with her co-host about swallowing her own saliva, and then dismissing the American victims of the Fallujah lynch mob as a pack of mercenaries. It is a woman named Randi Rhodes talking dirty and cracking on Condoleezza Rice's "plastic hair." It is an announcer intoning: "The station Rush Limbaugh would listen to if he hadn't lost most of his hearing to drug abuse" - followed, without irony, by an empathetic public service announcement aimed at drug abusers. It is, in...