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.
Andrea Flynn is a Fellow at the Roosevelt Institute. She researches and writes about access to reproductive health care in the United States. You can follow her on Twitter @dreaflynn.