Washington State (Oregon, too) is one of
those states - bottles of hard liquor can only be purchased in state-run stores. At twice the price. And rarely on Sundays.
If I'd only known before I moved here...
Here's what you do: Head south on I-5 toward Vancouver. Take the La Center exit. Drive into town and stop at any of the casinos (there are four). Then call me and we'll party.
