David Kato for them to be killed in cold blood like he was." However, he stated, "I have no regrets about the story. We were just exposing people who were doing wrong." In Spring 2011, Boston's American Repertory Theater and System of a Down's Serj Tankian dedicated their production of "Prometheus Bound" to Kato and seven other activists, stating in program notes that "by singing the story of Prometheus, the God who defied the tyrant Zeus by giving the human race both fire and art, this production hopes to give a voice to those currently being silenced or endangered by modern-day oppressors".
Race (human categorization) gradients across much of Earth, and that there is no evidence that genetic boundaries between human populations exist as would be necessary for human races to exist. Over time, human genetic variation has formed a nested structure that is inconsistent with the concept of races that have evolved independently of one another. As anthropologists and other evolutionary scientists have shifted away from the language of race to the term "population" to talk about genetic differences, historians, cultural anthropologists and other social scientists re-conceptualized the term "race" as a cultural category or social construct, i.e., a way among many possible ways