Let the People Rule: Theodore Roosevelt and the Birth of the Presidential Primary: Geoffrey Cowan is University Professor of Communication and Annenberg Family Chair in Communication Leadership at the University of Southern California, and also serves as president of The Annenberg Foundation Trust at Sunnylands. Cowan has been an important force in education, communication, and public policy. An award-winning author, he is currently on tour with the recently published Let the People Rule: Theodore Roosevelt and the Birth of the Presidential Primary. He is a noted scholar and academic administrator, lawyer, government official, best-selling author, distinguished professor, playwright, and Emmy Award-winning producer.