See Candidate Page Bernie Sanders, Climate Sanders at CNN Climate Town Hall 9/4/19 Anderson Cooper: "The Trump administration announced plans to overturn requirements on energy-saving lightbulbs. ... Would you reinstate those requirements?"Sen. Bernie Sanders: "Duh!" #ClimateTownHall https://t.co/uahYYnCcGW pic.twitter.com/yIzLPvocCZ— CNN (@CNN) September 5, 2019