Pulitzer Prize-winning biographer Jon Meacham on the evolution of Abraham Lincoln's moral principles and political leadership -- and what the era of Lincoln can teach us about the state of our democracy today.
The world’s scientists and health organization leaders are debating whether or not to detroy the world’s last officially existing stocks of the virus that causes smallpox. The last known naturally-caused case occurred in 1977. But bioweapons experts say it could be important to have smallpox immediately at hand if the disease were to break out again. A panel talks about the pros and cons of destroying these stores of a potentially lethal virus.
- Donald Henderson Director of the Johns Hopkins Center for Civilian Biodefense Studies
- Charles Carpenter Chair of the National Academy of Sciences Institute of Medicine Committee on the Assessment of Future Needs for Variola (Smallpox) Virus
- Dr. Alan Zelicoff Senior scientist in the Nonproliferation and Arms Control Division of Sandia National Laboratories
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