Social Security Numbers

An excellent paper by Gokhale and Smetters that explains some of the discrepancy in the Social Security numbers we found in the Taking Sides article (Baker's view). The money quote:

Although the Social Security Trust Fund is not projected to be exhausted
until 2042, Social Security's $10.4 trillion present value imbalance is accruing
interest and will grow by $600 billion during 2004 alone.