The History of the Anti-Vaccine Movement Explains Our Terrifying Future

Vaccines are not part of some evil plot to poison our children. But there are plenty of terribly misguided people who believe they are! And their beliefs didn't just materialize out of nowhere. A new video from the New York Times explains how we got to this terrifying point in American history — a seemingly upside… » 2/03/15 3:45pm 2/03/15 3:45pm