CBO analysis shows that if all income were subject to the Social Security tax (as opposed to just the first $106,800), Social Security's trust fund would last through 2083. Given the imprecision of 75-year economic forecasts, that should be good enough for now.
Lewison adds that about two thirds of Americans supposedly support lifting the cap. "Problem solved," he notes.
Not really, of course, but it's typical of the statist mind to think that if you manage to delay the inevitable and win popular support for it, you've got yourself a "solution".