Illustration by Dave Shulman LOCKWOOD SAID, "TELL ME ABOUT THE GUN." "Why? She was killed with a knife." "Your knife." We were sitting in a back booth at the House of Pies on Vermont. I'd ordered breakfast to prove I wasn't cowed. Lockwood ordered...

Riane Eisler is a macro-historian; systems and cultural-transformation theorist; international activist for peace, human rights and the environment; and president of the Center for Partnership Studies. In The Chalice and the Blade (1987), an inter...