2. Any unpublished information obtained or prepared in gathering, receiving or processing of information for any medium of communication to the public; unless the court finds that the party seeking the information or identity has established by clear and convincing evidence that such information or identity is relevant to a significant issue in the action and could not with due diligence be obtained by alternate means.
This subsection does not apply with respect to the content or source of allegedly defamatory information, in a civil action for defamation wherein the defendant asserts a defense based on the content or source of such information.