“…. (Los Angeles-based vice president Perry Lafferty had) risen through the ranks at CBS on a straightforward philosophy: Series concepts should be as simple as a paper clip, ‘a bit of wire adroitly twisted into useful form,’ but capable of infinite variations….”
Armstrong, Jennifer Keishin. Mary and Lou and Rhoda and Ted: And All the Brilliant Minds Who Made The Mary Tyler Moore Show a Classic. New York: Simon and Schuster, 2013. Print. p. 39.