It is an unconscious perception of the world that causes us to see mass slaughter of some animals but not others as normal, and tells us we should not get too worked up about it.
Social media has been a powerful tool for Marissa Alexander's defense, while providing creative ways to discuss domestic violence and self-defense.
Gregg Levine is a contributor to Truthout and the former managing editor of Firedoglake. For more of his work, please visit his site, capitoilette. Follow Gregg on Twitter: @GreggJLevine.