See Candidate Page Elizabeth Warren, Climate, South Carolina Warren in South Carolina 9/28/19 Sen. Elizabeth Warren: "And then, along come the Koch brothers."Audience: "Boo!"Warren: "Oh, you've heard of the Koch brothers."In a speech in Rock Hill, SC, Sen. @EWarren discussed climate change and DC politics. pic.twitter.com/na2aT53LIo— The Hill (@thehill) September 29, 2019