Excerpt: [W]orkers who have an unmarried domestic partner are doubly burdened: Their employers typically do not provide coverage for domestic partners; and even when partners are covered, the partner's coverage is taxed as income to the employee. Employers who cover domestic partners are also penalized under current law, since employer payroll tax responsibilities increase along with employees' income and Social Security taxes. As a result, the taxation of domestic partner health care benefits sets up a two-tiered tax policy ....  MORE >>