Sinister merely means "left" in Latin, it's apparent origin.

I thought he explained that "race" doesn't exist in humans, but no just one teacher who thinks that a trait makes people evil and not the circumstances they are in.

Out of all the things to have to waste your time on.

Treat a small child like they're evil, and by the time they're a grown-up they probably will be. Becomes a self-fulfilling prediction.

Laugh at Oklahoma if you will, this could happen in any state of the US, stupid is everywhere.

I got this in first grade (1963). They tried to force me to write with my right hand, and did force me to learn to use right-handed scissors -- note that left-handed scissors are very hard to find even today.