Franklin Roosevelt envisioned social security to be the cornerstone 'for the kind of protection America wants' from the financial troubles people faced due to old age and family tragedies. By fulfilling its initial promise, social security has evolved into the nation's largest, costliest, and most successful domestic institution. But the optimistic assumptions that inspired its incremental expansion have dissipated in the face of demographic, political, economic, and cultural shifts in American society. Social Security: Visions and Revisions encourages lawmakers, academic experts, and general...