“The thing is, we don’t care,” Mr. Rocco said. He is looking forward to many years of Trump presidencies. “I hope Don, Ivanka and Eric all run eventually,” he said last week…

Casting his mind into the future, past this election, he could imagine any number of outcomes.

He could imagine the United States splitting into two countries, one governed by Mr. Trump and one not. He could imagine suspending elections so Mr. Trump and his family could rule without interruption for 20 years.

“I guarantee you, Trump supporters would not care,” he said. “I guarantee you, if you got 69 million Trump supporters, and you said, ‘Would you be good with Donald Trump and Donald Trump Jr. and Eric Trump and Ivanka Trump as president?’ a lot of people would be 100 percent behind that.”