Genes matter. Check out this study:
"These results, which are among the first that link molecular genetic variants to delinquency, significantly expand our understanding of delinquent and violent behavior, and they highlight the need to simultaneously consider their social and genetic origins," the researchers said.
This is important. Blank slate continues to go down, and the genetic roots of behavior continue to increase in importance as environments become less varied. Social engineering will fail to alleviate problems in our society.
The challenge for liberals is to consider a paradigm shift away from blaming society and oppression for failed citizens. Instead, they should blame genetics as opposed to ceding the ground to conservatives who blame moral character or religious decline for crime and teenage hoodlums.