CEO's Mary Barra (L) of General Motors, Warren Buffett (C) of Berkshire Hathaway, and Ellen Kullman, of DuPont, applaud as Chinese President Xi Jinping concludes a talk at a U.S.-China business roundtable, comprised of U.S. and Chinese CEOs, in Seattle, Washington Sept. 23, 2015. The Paulson Institute, in partnership with the China Council for the Promotion of International Trade, co-hosted the event. [Photo/Agencies]