President Xi Jinping and his wife join the Obamas at the White House on September 25. The press in China has been issued directives to limit negative reports about the U.S. visit. (AP/Andrew Harnik)
President Xi Jinping and his wife join the Obamas at the White House on September 25. The press in China has been issued directives to limit negative reports about the U.S. visit. (AP/Andrew Harnik)

Cap and trade: How China maintains positive coverage with limit on negative news