Despite the tax rate reductions from the Jobs and Growth Tax Relief Reconciliation Act of 2003, leading marginal income tax bracket for many retirees is a whopping forty-six.3%. Why? Because Social Security benefits are subject to income taxation. Those affected are Social Security recipients who hold the good fortune (misfortune?) turn out to be subject to both the 25% taxes bracket and the 85% inclusion rate for Social Security benefits. 2) A person participating in your company's retiremen...