Good article; made me think of the application in the Harold Fish case in AZ. There's discussion in the True Tales of Self Defense thread here.This article is really good although long.
The criminal defense attorney who wrote it is (according to Mas Ayoob) highly experienced in this area.
Yup, authored by our very own Dave Workman.Every gun owner in Washington should own this book You can pick it up at your local gun shop or gun show.
Washington Gun Rights and Responsibilities by Dave Workman
http://www.danddgunleather.com/pages/washington_gun_rights.htm