Bioengineers are creating human body parts to replace organs and manage life-threatening diseases. How techniques like 3-D printing and stem cell research are driving medical advances and raising ethical questions
A panel talks about the internal debate in the Bush Administration over the best policy toward Iraq.
- Les Gelb president of the Council on Foreign Relations
- Phyllis Bennis Institute for Policy Studies and author of "Challenging Empire: How People, Governments, and the UN Defy US Power"
- Patrick Clawson deputy director of the Washington Institute for Near East Policy and co-author of "Eternal Iran."
- Amb. Richard Haass president, Council on Foreign Relations and author of "A War of Necessity, War of Choice: A Memoir of Two Iraq Wars"
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