Jul 20 Watch Frontline: Evidence Questioned in 2001 Anthrax Case Hari Sreenivasan talks to Frontline's Michael Kirk about new evidence in the anthrax case.
Health Jul 21 President Bush Signs $5.6 Billion Bill to Strenghten Bioterror Defenses President Bush signed legislation Wednesday designed to help protect the United States against biological and chemical attacks by encouraging development of drugs and vaccines.