The political crackdown on IVF embryo screening.
This column is dedicated to making us look at ugly facts and moral problems we don't want to see. For several years, one of these problems has been the slippery slope of PGD. Now we'll have to face, in all its ugliness, the slippery slope of regulating it.
Will Saletan covers science, technology, and politics for Slate and says a lot of things that get him in trouble.