The biological weapons threat and nonproliferation options

Following Aum Shinrikyo's 1995 sarin attack on Tokyo subway commuters, revelations about the USSR's massive biological weapons program and Iraq's germ warfare program in the 1990s, and the sending of anthrax-laced letters to prominent U.S. politicians and reporters in the fall of 2001, a considerable amount has been said and written about the threat of biological weapons proliferation and what should be done about it.