Susan J. Tolchin is Professor of Public Policy at George Mason University and the author of "The Angry American: How Voter Rage is Changing the Nation" (Westview Press, 1996 and 1998), and "Women in the U.S. Congress", among several other books. Together the Tolchins have written seven previous books, most recently, "A World Ignited: How Apostles of Ethnic, Religious, and Racial Hatred Torch the Globe" (Rowman & Littlefield, 2006) and "Glass Houses: Congressional Ethics and the Politics of Venom" (Westview Press, 2009-new in paperback).