Watch: Bill Barr bursts out laughing over Steve Bannon's imprisonment

Former Attorney General Bill Barr laughed out loud after Fox News host Neil Cavuto reminded him that Steve Bannon surrendered to prison that day.

During a Monday interview, Cavuto wondered how Donald Trump would handle a second term after the U.S. Supreme Court ruled that he would have criminal immunity for official acts.

"Donald Trump will, at 78, just turned 78, he would be 82 leaving office," Cavuto noted. "Some have cynically said, you know, he will have full bore power."

"There are others who look at that at his age, when he would be leaving office, and that he wouldn't have to worry about punishment, it would be an afterthought to him," he continued.

The Fox News host wondered if Trump would be "emboldened" to break the law.

"But the people that are around him and are being asked to do things, certainly, I think they're going to make sure that they're, you know, behaving within the law," Barr replied. "You know, I understand people's concern, especially given his frequently incendiary rhetoric."

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Barr said that he did not "lose any sleep" over Bannon's call for him to be imprisoned during a hypothetical new Trump administration.

"I think he's in prison right now, himself," Cavuto said of Bannon.

Barr reacted with a spontaneous hearty laugh.

"I don't mean to make light of that," Cavuto remarked.

Watch the video below from Fox News.