Lower-court rulings would have blocked construction of the 90,000-square-foot ballroom after finding that the Trump administration should have first sought approval from Congress.

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His obsession with remaking Washington might hurt his party politically.

© Pete Kiehart for The New York Times

Philan-Tam-Duy Le, 35, of Julian, Calif., was taken into custody for “being in possession of the guillotine,” the police said.

© Alex Kent/The New York Times