U.S. President Donald Trump walks on the South Lawn heading for the Marine One at the White House in Washington D.C., the United States, on Sept. 6, 2018. Top aides to U.S. President Donald Trump rushed Thursday to deny authorship of an explosive and anonymous op-ed published by The New York Times a day earlier, which has revealed a "resistance" inside the administration against the president. (Xinhua/Ting Shen)
