def get_comment_admin_session(self):
raise Unimplemented()<EOL>
Gets the ``OsidSession`` associated with the comment administration service.

        return: (osid.commenting.CommentAdminSession) - a
                ``CommentAdminSession``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_comment_admin()`` is
                ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_comment_admin()`` is ``true``.*