Reddit mentions of Genes and Behavior: Nature-Nurture Interplay Explained

It very much is still a debate, just not in the classical sense. For the most part, the home(parental) environment has not shown a signifcant effect on life course behavioral outcomes. But, genetic makeup as well as the environment as a whole do shape people throughout their lives. The story about these twins is from a study examining identical (Monozygotic, genetically identical) twins that grew up separately. The researcher behind OPs picture discovered several more stories like this, with this one being the most prominent.
And an ongoing field of research, biosocial criminology continues to examine the genetic and behavioral contributions to behavior in an anti-social context. Both in a behavior genetic context ( which is the point of the research mentioned) and in a gene/environment interplay context examining the effect of genes at large and the effect of specific genes on lifecourse behavioral outcomes.

Any good psych teacher wouldn't wholesale write off something that is still relevant and worth discussing.

Also, this book does an excellent job at discussing this form of research as well as many more twin designs and behavior genetics in general. http://www.amazon.com/Genes-Behavior-Nature-Nurture-Interplay-Explained/dp/1405110619