International summit of national bioethics advisory bodies. Transcript of the second meeting of the National Bioethics Advisory Commission, including presentations by Jean-Pierre Changeux, Michael Abrams, Norio Fujiki, Bartha Knoppers, Donald Chalmers, Abbyann Lynch, Manuel, Velasco-Suarez, Joze V. Trontelj, Robert Levine, Nenad Hlaca, Amy Gutmann, Daniel Wikler, Stefano Rodota.