Shoot! Where Do They Get These Teachers?

The Seattle Times reports that a Lake Stevens High School Teacher has been placed on administrative leave after threatening to "shoot" misbehaving students. Apparently a student had been daydreaming in a literature class when teacher Gary McDonald picked on her, when other students intervened, McDonald threatened to line them up and shoot them, with the Virginia Tech tragedy only a month ago, I wonder how a teacher could find any humor in a remark like that. If McDonald cannot control his student, what is he doing teaching a high school class anyway? The article, written by Times reporter Lynn Thompson, said that McDonald's class started with 30 students, but has dwindled to just 17.