Pakistan, other US allies grapple with anthrax scares.

Reports that letters thought to contain anthrax have been sent to businesses, journalists, and postal workers in a number of countries. How the vast majority of bioterrorism incidents have turned out to be hoaxes; Precautions which are being taken by nations to protect against infection; Packet of white powder which was sent to the 'Daily Jang,' Pakistan's largest Urdu-language newspaper.