Judah Ginsberg has a Ph.D. in American history from the University of Wisconsin-Madison. He taught American history at the college level, was a producer and writer for CNN for 20 years, and ran an outreach program for the American Chemical Society, the professional organization for chemists. He has written on American history, the history of science, and politics and foreign policy. He lives in Alexandria, Virginia, with his wife and daughter. His blog, Politics and History, uses the lessons of American history to inform contemporary politics.