We haven't seen big gains in jobs yet, so Greenspan can't be completely confident this expansion will be self-reinforcing, ... But I believe a blowout employment report is on the near-term horizon, and that will set the conditions for a change in interest rates.
The market has priced in a rate cut, of at least a quarter point, ... and this morning it was for a rate cut of .75 - and I think that is where Greenspan would draw the line.
The Fed doesn't want sudden market reactions in response to news that might be difficult; they want to cause as little volatility as possible, ... Greenspan has admitted to sending signals in the past -- it's the way they operate.