(a) A broadcaster is not liable in damages for a defamatory statement published or uttered in or as a part of a radio or television broadcast by one other than the broadcaster unless the complaining party proves that the broadcaster failed to exercise due care to prevent the publication or utterance of the statement in the broadcast.
(b) In this section, "broadcaster" means an owner, licensee, or operator of a radio or television station or network of stations and the agents and employees of the owner, licensee, or operator.