Edward Wong; Ray Kurzweil; Stem Cells

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Wednesday 08/03/2005

Correspondent Edward Wong reports on the murder of kidnapped journalist Steven Vincent and a roadside bomb that killed 14 U.S. Marines. Ray Kurzweil discusses his book, "Fantastic Voyage: Live Long Enough to Live Forever." Conversations about the science and politics of stem cell research, first with biologist Rudolf Jaenisch, then with political scientist Sheila Jasanoff.