Plus: California Gov. Gavin Newsom declares a state of emergency as the Palisades Fire rages. Illegal immigration plummets at the U.S.-Mexico border.

Trump aired grievances against rivals, the Justice Department, and other nations in a winding and pugnacious press conference.

President-elect Donald Trump is the king of not ruling things out. It’s his default response when a possibility, no matter how far-fetched, gets floated, both because he has little regard for norms and because he seems to view extreme ideas as negotiating ploys.