The "Republican" Alan Greenspan is married uber-liberal NBC reporter and Obamaniac Andrea Mitchell.
Former Federal Reserve chairmen, like former Presidents, should refrain from public commentary. They wield an inordinate amount of influence absent accountability. Under such conditions, comments more often are meant to influence rather than inform.
I have thought the same thing every time he makes this type of statement. Greenspan speaks and the market reacts one way or another. He could be making a fortune on calls/puts depending on what he plans on saying.