Mich. Comp. Laws § 484.331
Actions for damages against owners, operators or licensees of radio broadcasting stations for defamatory statements.
The owner, licensee or operator of a visual or sound radio broadcasting station or network of stations, and the agents or employees of any such owner, licensee or operator, shall not be liable for any damages for any defamatory statement published or uttered in or as a part of a visual or sound radio broadcast, by one…