Anthrax case renews questions on U.S. bioterror effort

The revelation that FBI investigators believe that the anthrax attacks were carried out by Ivins, an army biodefense scientist who committed suicide last week after he learned that he was about to be indicted for murder, has already re-ignited a debate: Has the unprecedented boom in biodefense research made the country less secure by multiplying the places and people with access to dangerous germs?