Veteran diplomat Richard Haass turns from foreign affairs to threats from within. He argues Americans focus so much on rights we forget our obligations as citizens -- and the country is suffering because of it.
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
- Dr. Anthony Atala Director, Wake Forest Institute for Regenerative Medicine; and professor and chair, Department of Urology at Wake Forest University
- Debra Mathews, Ph.D. Assistant director for science programs, Johns Hopkins Berman Institute of Bioethics
- Dr. Jason Spector Director, Laboratory for Bioregenerative Medicine and Surgery and associate professor, plastic surgery, Weill Cornell Medical College (NYC)
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