Despite the new tax rate reductions of the Jobs and Growth Tax Relief Reconciliation Act of 2003, the top marginal income tax bracket for many retirees can be a whopping 46.3%. Why? Because Social Security benefits are subject to income tax. Those affected are Social Security recipients who purchase the good fortune (misfortune?) to be subject to both the 25% taxes bracket along with the 85% inclusion rate for Social Security benefits. There are two terms in tax law which need with regard...