He graduated from the University of Colorado at Boulder with a bachelor's degree in history, and from the Johns Hopkins University School of Advanced International Studies. He was a freelance writer during the Vietnam War. He was a reporter for the Chicago Tribune and the Des Moines Register. He was editor of the Bulletin of the Atomic Scientists.
- Making a Real Killing: Rocky Flats and the Nuclear West University of New Mexico Press, 1999, ISBN 978-0-8263-1877-0; 2002, ISBN 978-0-8263-2798-7
- Credibility gap: a digest of the Pentagon papers, National Peace Literature Service, 1972