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Dark Energy/Bioterrorism

Guests: ADAM RIESS Astrophysicist Space Telescope Science Institute Baltimore, Maryland STEVEN BLOCK Professor of Applied Physics and Biological Sciences Stanford University Stanford, California MICHAEL OSTERHOLM Former Minnesota State Epidemiologist Chair and CEO, ICAN, Inc. Co-Author, Living Terrors: What America Needs to Know to Survive the Coming Bioterrorist Catastrophe (Delacorte Press, 2000) Eden Prairie, Minnesota Astronomers have caught a glimpse of the most distant exploding star ever found. The sighting may confirm the presence of a mysterious "dark energy" pushing the universe apart. In this hour, we'll take a look at what the find may mean. Then, we'll take a look at the threat of bioterrorism. What would happen in the event of an attack? Are we as a nation too complacent?

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