Julie Gerstein and Margaret Sullivan are contributors to CJR. Julie Gerstein is a research fellow at the Craig Newmark Center for Journalism Ethics and Security at Columbia University. She is a former executive editor of Business Insider. Previously, she served as BI's Singapore bureau chief and was an editor at BuzzFeed. Margaret Sullivan is the executive director of the Craig Newmark Center for Journalism Ethics and Security at Columbia Journalism School. She writes a weekly column for The Guardian US and publishes the American Crisis newsletter on Substack. Previously, she was the chief editor of the Buffalo News, public editor of the New York Times, and the Washington Post’s media columnist.