And we are here, a brave new world. For years I heard and read that we would never need to worry about scientists editing the DNA of a human embryo that would b

And we are here, a brave new world. For years I heard and read that we would never need to worry about scientists editing the DNA of a human embryo that would be brought to term. The argument emphasized the fact that professional ethics would prevent it. Well, ethics change and not all professionals will follow them. As a programmer, I know how hard it is to modify a ball of code without having unexpected consequences. We barely know how the human genome functions. I hope we don't do too much damage.