I'm certainly not a guru on the subject either, but my understanding is the possible benefit is that instead of depleting the balance during this recession (or near-recession, whatever the correct terminology currently is), money could continue to be invested with the hopes of a brighter year next year and beyond. IOW, a lot of IRA money is tied up in the stock market, and withdrawing now isn't a great thing. Hope that made sense.
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I'm fixin' to fix that.