The projected Social Security shortfall is likely to hit younger workers hardest. Social Security has two trust funds: the Old-Age and Survivors (OAS) fund, and its smaller sibling, the Disability Insurance (DI) fund. Last year’s report said the combined reserves of both funds would be exhausted in the year 2033, at which time it could pay only 77¢ on the dollar of its benefit obligations. The DI fund, however, faces a more immediate crisis. It will run out of money in 2016—as in next year—and its 0.9% payroll tax levy will then collect only enough to pay 81% of its benefit obligations....