Excerpt: Concerns about the long-term solvency of Social Security have produced numerous options for Social Security reform, among them individual accounts (SSIAs) ... In this AARP Public Policy Institute Issue Paper, Frank Cavanaugh, former Executive Director of the TSP, examines the feasibility of these proposals and finds that a system of individual accounts cannot easily be adapted to [format that resembles the Thrift Savings Plan for Federal employees (TSP)].