A second test of the anthrax-laced letter sent to Senate Majority Leader Tom Daschle points to the presence of a troubling chemical additive, sources tell ABCNEWS.
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Four well-placed and separate sources told ABCNEWS that initial tests detected bentonite, though the White House initially said the chemical was not found.
The first battery of tests, conducted at Ft. Detrick, Md., and elsewhere, discovered the anthrax spores were...Full Story