Vermont Senator Bernie Sanders is comparing climate change skeptics to those who disregarded the Nazi threat to America in the 1930s, adding a strident rhetorical shot to the already volatile debate over climate change. “It reminds me in some ways of the debate taking place,” said Sanders, perhaps the most liberal member of the Senate, during a Senate hearing Tuesday. “During that period of Nazism and fascism’s growth-a real danger to the United States and democratic countries around the world- there were people in this country and in the British parliament who said ‘don’t worry! Hitler’s not real! It’ll disappear!”