Most of Obama's staff moved out of the White House a day before Donald Trump was set to move in.
The president-elect boasted of his election victory and heaped praise on his incoming Cabinet.
The longtime associate will act as Trump's personal lawyer, not as a government or corporate official. Other presidents, including Clinton and Obama, have had their own attorneys.
The comments underscore tensions between the incoming Republican president and Democrats on the Hill.
After eight years, his last moments with reporters in the Brady Press Briefing Room.
President Obama said Tuesday that the seven years the Army private has spent behind bars is enough.
The president-elect talked about an intelligence document during an appearance on “Fox & Friends.”
In a television interview, the president-elect opens a second line of attack against the congressman.