Despite the new tax rate reductions among the Jobs and Growth Tax Relief Reconciliation Act of 2003, the top marginal tax bracket for many retirees is a whopping 46.3%. Why? Because Social Security benefits are subject to income in taxes. Those affected are Social Security recipients who purchase the good fortune (misfortune?) always be subject to both the 25% income tax bracket and the 85% inclusion rate for Social Security benefits. There's a difference between, "gross income," and "taxable...