Michael Bock of Helen Caldicott’s Nuclear Policy Research Institute, showing the film "Nuclear Deception" and speaking on the dangers of nuclear power. NPRI was established by Dr. Helen Caldicott, who for the last thirty-five years has lead an international campaign to end the nuclear age. Dr. Caldicott is the author of five books, most recently The New Nuclear Danger. NPRI seeks to educate the American public about the greatest single threat to the world's public health, namely the profound medical, environmental, political and moral consequences of perpetuating nuclear weapons, power and waste.