Brian NaylorNPR News' Brian Naylor is a correspondent on the Washington Desk.
President Trump has threatened to intervene in what he calls a "mess" in Portland, Ore., after clashes between Trump supporters and Black Lives Matter demonstrators left one man dead over the weekend.
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Attorney General William Barr, center, arrives for an event on police reform last month at the White House. Barr is expected to face tough questioning when he appears Tuesday before the House Judiciary Committee.
Republican National Committee Chair Ronna McDaniel walks with White House senior adviser Jared Kushner on the South Lawn of the White House in May. She is describing the August convention as a "convention celebration."
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