Progressive tax might make a breakthrough in state

"Advocates of an income tax in Washington, long accustomed to a losing fight, are playing on a new field in 2010, and the filing of Initiative 1077 on Wednesday (April 21) could be a breakthrough in efforts to make the state's tax system more progressive. The state relies heavily on a sales tax at both the state and local levels, a tax that fall disproportionately on lower incomes."