The breadth of the tax base necessary to support the pension plans in question (or, for that matter, broad swaths of other social policies on the liberal agenda

The breadth of the tax base necessary to support the pension plans in question (or, for that matter, broad swaths of other social policies on the liberal agenda) is much wider than is implied by misreporting of the degree of inequality. Put more simply: Just taxing the rich more isn't enough to pay for everything.