Cliff Owen/AP/File

In this Dec. 2, 2015, photo, Republican presidential candidate Donald Trump speaks during a campaign rally at the Prince William County Fair Ground in Manassas, Va. Trump tapped a man to be a senior business adviser to his real-estate empire even after the mans past involvement in a major mafia-linked stock fraud scheme became public. Felix Sater pleaded guilty to one count of racketeering in 1998. His conviction remained secret for nearly a decade as he worked as a government informant and an executive at the Bayrock Group, a real estate firm that partnered with Trump. (AP Photo/Cliff Owen)

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US President Donald Trump steps off Air Force One upon arrival at Andrews Air Force Base in Maryland on December 2, 2017. Trump is returning to Washington, DC after attending fundraisers in New York, New York.

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WASHINGTON, DC - FEBRUARY 16: U.S. President Donald Trump signs H.J. Res. 38, disapproving the rule submitted by the US Department of the Interior known as the Stream Protection Rule in the Roosevelt Room of the White House on February 16, 2017 in Washington, DC. The Department of Interior's Stream Protection Rule, which was signed during the final month of the Obama administration, "addresses the impacts of surface coal mining operations on surface water, groundwater, and the productivity of mining operation sites," according to the Congress.gov summary of the resolution. (Photo by Ron Sachs-Pool/Getty Images)

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