How great a danger do biological weapons pose? Biological weapons pose a serious threat to Americans / Commission on the Prevention of WMD Proliferation and Terrorism and Bob Graham ; Biological weapons are less destructive than nuclear weapons / Allison Macfarlane ; Anthrax is a serious threat / Jeffrey W. Runge ; Anthrax is not a serious threat / Fred Burton and Scott Stewart ; Smallpox remains a bioterrorism threat / Stefan Riedel -- Who constitutes a serious biological warfare threat? Foreign and domestic terrorist groups are a serious biological warfare threat / Robert S. Mueller III ; The biological warfare threat from terrorist groups is overstated / Milton Leitenberg ; Iran has the capability to produce biological weapons / Anthony H. Cordesman ; African nations constitute a unique biological weapons threat / James Thuo Njuguna -- How should the United States prepare for biological warfare? The expansion of biodefense research laboratories needs increased oversight / Edward Hammond ; The expansion of biodefense research laboratories has sufficient oversight for safety / Hugh Auchincloss ; Proposed legislation will significantly improve the select agent program / Richard Burr ; Increased regulations regarding the select agent program could undermine valuable research / Gigi Kwik Gronvall ; The U.S. government should invest more for epidemic preparedness / Tara O'Toole -- How can biological warfare be prevented? The United States should strengthen its commitment to the Biological Weapons Convention / Jeanne Guillemin ; The United States is strongly committed to the Biological Weapons Convention / John C. Rood ; All known stocks of the smallpox virus should be destroyed / Edward Hammond ; Known stocks of the smallpox virus should be retained for national security / John O. Agwunobi ; The United States should negotiate a compromise regarding the retention of the smallpox virus / Jonathan B. Tucker.