We watch them on TV. We read about them in books. We learn about their nefarious behaviors in the news. I’m talking about Dark Triad Personalities. Narcissists. Machiavellians. Psychopaths. They’re the villains of both our stories and our real lives. Author Marsheila Rockwell joins Vickie Lan in a discussion of what defines these three personality types, how they apply to both fictional and real-life people, and the ways writers can develop compelling Dark Triad characters.