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WASHINGTON, DC - MARCH 22: U.S. Attorney General William Barr departs his home March 22, 2019 in McLean, Virginia. It is expected that Robert Mueller will soon complete his investigation into Russian interference in the 2016 presidential election and release his report. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - MARCH 22: U.S. Attorney General William Barr departs his home March 22, 2019 in McLean, Virginia.  It is expected that Robert Mueller will soon complete his investigation into Russian interference in the 2016 presidential election and release his report. (Photo by Win McNamee/Getty Images)