U.S. Attorney General William Barr (R, Front) testifies before the Subcommittee on Commerce, Justice, Science, and Related Agencies, in Washington D.C., the United States, on April 9, 2019. U.S. Attorney General William Barr said Tuesday he will release a redacted version of the Mueller report from the Russia probe "within a week" at a hearing in Congress. (Xinhua/Liu Jie)