The eloquent doomsayer on this topic is Jeremy Grantham of the Boston money manager GMO.

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Well, I think you do have to avoid, if possible, being a doomsayer because then everybody's morale collapses, and you create different problems.

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You know, so I'm not a doomsayer.

CNN: Treasury Secretary Paul O'Neill

With rating agencies, perception is the doomsayer.

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