“I mean he is so blatantly stupid. He’s a punk, a dog, he’s a pig,” says a visibly angry De Niro in the Vice Exclusives video.

“Colin Powell [former secretary of state] said it best: he's a national disaster. He’s an embarrassment to this country. It makes me so angry this country has gotten to this point that this fool, this bozo, has wound up where he has.

“He talks how he'd like to punch people in the face?... Well, I'd like to punch him in the face.”