The one that challenged the idea of friendship. By the late 1970s, the animation department of Walt Disney Productions had saved itself from foreclosure, particularly after the stunning success of The Rescuers. While a new crop of animators were proving the next generation may just be the answer to a much-needed revolution, the remaining members of Walt's "Nine Old Men" were providing supervision on their final film. And the changing of the guard would prove to be more tumultuous than first expected. Way back in May 1967, Disney had acquired...