Biology and culture, nature versus nurture. We know both are important, we really do, but with the adoption-is-the-cure-for-so-damn-much culture that we are in today, that sentence: It's easier to embrace a thief than a phantom stopped me cold. Americans like to pretend that DNA and ancestry do not matter; we can make ourselves up new here in America. But. Biology matters. DNA is the raw material out of which we came.