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?U.S. President Donald Trump (R) attends a joint press conference with visiting Australian Prime Minister Scott Morrison at the White House in Washington D.C., the United States, on Sept. 20, 2019. Donald Trump on Friday defended himself against a whistleblower complaint on the president's alleged inappropriate interactions with a foreign leader, calling it "another political hack job" during a joint press availability with Scott Morrison. (Xinhua/Hu Yousong)
