Recent claims of a successful human cloning have renewed interest in the scientific and ethical issues related to reproductive and research cloning. Diane talks with two scientists about cloning and some of the many related ethical questions.


  • Dr. John Gearhart Director, Institute for Regenerative Medicine, at the University of Pennsylvania
  • Dr. Leon Kass Fellow, the American Enterprise Institute and author of a new book, "Life, Liberty and the Defense of Dignity"

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