Commentary: Greenspan describes Goldilocks economy By Paul Erdman, CBS.MarketWatch.com Last Update: 5:59 PM ET April 21, 2004 HEALDSBURG, Calif. (CBS.MW) -- "We try to be forward looking, not only in terms of whether we'll move or not move on a particular date, but what does that imply on a whole program of change, if indeed we are changing." No, it was not that Persian philosopher of ancient origins who spake these words of clarity and wisdom from on high. This sentence was uttered this week by the somewhat less ancient Alan Greenspan to a Congressional committee and a financial world...