A maddened creature, frothing at the mouth, lunges at an innocent victim and, with a bite, transforms its prey into another raving monster. It's a scenario that underlies our darkest tales of supernatural horror, but its power derives from a very real virus, a deadly scourge known to mankind from our earliest days. In this fascinating exploration, journalist Bill Wasik and veterinarian Monica Murphy speak with host Dr. John Russell about the history, science, and cultural mythology of rabies as described in their book "Rabid."