It is a short step to go from selecting virtual children, selecting each embryo which is implanted, to thinking, well, why not go in and do an extra step and so some sort of genetic enhancement,

There is a pent-up demand from people who want to clone their dead children.

We should be happy. We should be enjoying that there is all this bounty. Somebody can take an iPod and have all the world's music at their beck and call in an instant. What an amazing thing!

The biggest development in reproductive biology is the birth-control pill. Nobody ever talks about it, but look at the consequences: demographics; aging populations; the sinking population of Europe, Japan; immigration. It's incredible.

If out of concern over cloning, the U.S. Congress succeeds in criminalizing embryonic stem-cell research that might bring treatments for Alzheimer's disease or diabetes - and Dr. Fukuyama lent his name to a petition that supported such laws - there would be real victims: present and future sufferers of those diseases.

As we decipher our biology and learn to modify and adjust it, we are learning to modify ourselves - and we will do so. No laws will stop this.