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
Guest Host: Susan Page
A panel talks about the debate over a possible attack on Iraq and how it could affect the war on terrorism.
- Vincent Cannistraro former CIA senior intelligence official in charge of counterterrorism operations and analysis
- Jessica Mathews president, Carnegie Endowment for International Peace
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