Washington doesn't have an income tax ... personal or corporate. Yep, it only has a sales tax. (That tax runs from 6% in rural areas to 10% in Seattle.) It's a

Washington doesn't have an income tax ... personal or corporate. Yep, it only has a sales tax. (That tax runs from 6% in rural areas to 10% in Seattle.) It's a good and way-overdue idea ... however it affects Gates personally. That's just part of his proposal, and he's not the only wealthy WAtonian calling for more taxation.