One drop can kill / Seymour Hersh ; interviewed by Lou Hartman and Elsa Knight Thompson.

On secret work being done in the United States on gas and germ warfare.|ONE DROP CAN KILL / Seymour Hersh| interviewed by Lou Hartman and Elsa Knight Thompson. – Seymour M. Hersh, former Associated Press correspondent at the Pentagon, discusses the secret work being done in the United States on gas and germ warfare. –…