PBS President says no major retooling needed for public TV, but mulls adding pay-TV service

PBS President Paula Kerger said today she disagreed with Bill Moyers' call for a national meeting to reconsider and re-define U.S. public broadcasting. Moyers called for a "constitutional convention" to spur a "rebirth" of public television and radio, in a speech this month to public TV executives. "The core problem," said Moyers, "is that we still don't have an expansive national vision of what we're about, where we want to go and what we want to become. Until we are able to say clearly and comprehensively what it is we really want to do, how much it will cost, and…