Ms. Zacharia is a conservative commentator who is also an adviser to the company that runs President Trump’s social media site, Truth Social. She succeeds Karoline Leavitt.

The embattled congressman, accused of throwing scalding water at his ex-wife and breaking his daughter’s collarbone, rebuffed earlier Republican calls to drop out.

The Homeland Security Department signed a multi-million dollar agreement to buy five aircraft from a company owned by a political contributor of the secretary on her last day, documents show.

The director of national intelligence will help develop new policies, and potentially regulations, for the rapidly evolving technology.