James Dolan said he was “very proud” to bring his championship team to Washington. It would be the first N.B.A. team to visit the White House with Trump as president.

New York Times reporters annotated the agreement, which a senior official disclosed on Wednesday.

After the driver stepped out to take a photo of the passengers, the horse bolted, and a tourist from India fell from the driverless carriage. “We were yelling, ‘Help me, help me!’” said his father.