We all know what a "pest" is. We can all point to creatures that are pests in our neighborhoods, those invasive hard-to-get-rid-of, disruptive animals that civilization seems to be in constant battle with. The rats, the racoons, the pigeons... But what makes them pests, really? Who decides? And what about other animals that are pests to some - cats, elephants, and deer for example - but not to others? Rachelle Saunders speaks with our very own Bethany Brookshire about her new book "Pests: How Humans Create Animal Villains" and explore how our very human problem with pests is really more...