@CNN: Professor steps down as State Dept. science envoy, spells “IMPEACH” with the paragraphs of his resignation letter… https://t.co/yjNnQNM6kW
Professor steps down as State Dept. science envoy, spells "IMPEACH" with the paragraphs of his resignation letter https://t.co/LvyfCwKrUH http://pic.twitter.com/6Y00Qn4Jdj
— CNN (@CNN) August 26, 2017