There has been a lot of chatter about the podcasting business model, and whether it has been a failure. That talk intensified when a major commercial podcaster, Podango, warned recently that its death seemed to be near. None of this is of concern to me: I leave business models to the money people. My interest is content.I had more free time than usual this week, so the list is longer than usual (in the order I listened). [See all lists.]