Protein engineering is a technology of molecular machines - of molecular machines that are part of replicators - and so it comes from an area that already raises some of the issues that nanotechnology will raise.
George W. Bush brought a lot of minorities into his administration, which was a positive thing, and they had some issues that they wanted to press, but 9/11 really gave them direction. It gave them a purpose.
We firmly believe the environmental issues cannot be addressed without extensive public participation, but people need to be informed before they can get involved.
In the John Paul II days, Cardinal Joseph Ratzinger had the advantage of staying in his cupboard - the Congregation for the Doctrine of the Faith - exchanging views only with the Pope, and speaking publicly only through carefully written missives on doctrinal issues.