Next month, CNN founder Ted Turner will be interviewed at a UNC-Chapel Hill public event. He will be questioned by former PBS President Pat Mitchell. Turner is usually entertaining, but the more interesting interview would be with Mitchell about the dwindling need for public television. In this age of myriad options for information and entertainment (TV, radio, internet, books, magazines, games, etc.), including many TV networks that offer programming once the domain of public TV — like this one and this one and this one, there’s no need to continue public funding of a TV network.