The 24-year-old wasn't dressed for Florida weather.
Eric Trump shared pictures of him hanging out with his dad at the White House.
Donald Trump Jr., the slick-haired businessman who might single-handedly deepen his father's chaos inside the White House, could be the worst first kid ever, historians say.
Desiree Fairooz wrote on Twitter that "Guess they've got enough 'laughing' matters to deal with!"
"Douglass saw Robert E. Lee and efforts to canonize him after his death as being emblematic of this kind of historical whitewashing," the family wrote to Newsweek.
"I shall never forget the difference between those who fought for liberty and those who fought for slavery; between those who fought to save the Republic and those who fought to destroy it."
The president looked much happier in his official picture than in many others.
Melania Trump's tweet teasing her Halloween event at the White House drew criticism as well as praise.
An anonymous caller told a UK reporter to expect some "big news" from the American Embassy in London.
Department of the Interior raises a flag whenever Secretary Ryan Zinke is in the building.
A memo from the head of Trump's ethics team warned of his concerns about the behavior of leading officials.