See Candidate Page Bernie Sanders, Climate, Iowa Sanders in Iowa 2/1/20 Bernie Sanders criticizing Donald Trump over climate denialism: “Let me make a radical proposition to you: As president of the United States, I will listen to science.” pic.twitter.com/ZLSqJGKxWV— Matt Pearce 🦅🇺🇸 (@mattdpearce) February 1, 2020