Is it worse for a child to see pornography or graphic violence?

Slate tries to offer some insight on the dangers of exposing kids to sex and violence, in light of this week’s supreme court ruling. This may end up being one of those unknowable things since researchers are willing to sit a kid down in front of a violent video game for the purpose of research, not so much for porn.

Also, Slate may have already won best headline of the year.