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Investigators are renewing their search for clues into the source of the deadly anthrax bacteria used to taint letters last year. Experts discuss the latest developments as well as the joining of the scientific and investigative communities.

In a recent address, Vice President Cheney argued that sending inspectors back into Iraq would not eliminate the weapons threat posed by the Saddam Hussein regime. Two former weapons inspectors who worked in Iraq discuss the pros and cons of…

William Hyland, former deputy national security adviser under President Ford, and Ellen Laipson, a former National Security Council staffer, discuss the debate over intervention in Iraq.

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