91.   Even as government and industry are working to increase production of known treatments for potential biological weapons like smallpox and anthrax, scientists are trying to develop additional weapons.

92.   Even the simplest technological defense against biological weapons has proven to be too much for DOD contractors.

93.   Evidence exists that could link the ailments of sick Persian Gulf War veterans to Iraqi biological weapons, independent medical researchers warn.

94.   Few of the dozens of soldiers interviewed Wednesday expressed much concern about the dangers they face, including the possibility of exposure to biological weapons.

95.   First, former Russian President Boris Yeltsin signed an executive order to stop biological weapons work.

96.   Experts say that biological weapons, with few exceptions, are hard to make and use.

97.   For now, anyway, it is much easier to imagine ghastly new biological weapons than to create them.

98.   First Haig, then his State Department successor George Shultz, asserted in full-dress reports to Congress that yellow rain as a biological weapon was a proven fact.

99.   For one, nuclear arms are no longer the only concern, as chemical and biological weapons have come to the fore.

100.   For security reasons, Reno declined to comment on the possibility of attacks involving biological weapons.