necessary to accomplish this purpose. Miami Herald Publ'g Co.'. Lewis, 426 So. 2d 1, 6 (Fla. 1982). This test, as well as the standard announced in Barron'. Florida Freedom Newspapers, Inc., 531 So. 2d 113 (Fla. 1988), was essentially codified in former Rule of Judicial Administration 2.051, now 2.420,