Everyone deserves to be able to retire with dignity, but this core feature of the social contract is in jeopardy. Companies have swerved away from pensions, and most of the workforce has woefully inadequate retirement savings. If we don't act to fix this broken system, rates of impoverishment for senior citizens threaten to skyrocket, and tens of millions of Americans reaching retirement age in the coming decades will be forced to delay retirement and will experience a dramatic drop in their standard of living.

In Rescuing Retirement, Teresa Ghilarducci and Tony James offer a...