I hate to say this, but I really think that McCormick and Plumb can learn from Elisabeth Hasselbeck and Rosie O'Donnell. Those two had one of the biggest fights in television history yet they are putting their differences aside to take part in Barbara Walters' farewell from 'The View' and celebrate her long career.
Plumb and McCormick could not bury the hatchet in 2007 at the TV Land Awards for the special award given to Ann B. Davis or Florence Henderson's 80th birthday. Here is Susan Olsen talking about their feud in 2009.