CBS News

Mr. Biden said that he made his historic decision at his family home in Rehoboth Beach, Delaware, in late July, just weeks after his debate with Trump, which caused concern in some Democratic circles.

“The polls we had showed that it was a neck-and-neck race, would have been down to the wire,” Mr. Biden said. “But what happened was, a number of my Democratic colleagues in the House and Senate thought that I was gonna hurt them in the races. And I was concerned if I stayed in the race, that would be the topic. You’d be interviewing me about ‘Why did Nancy Pelosi say…’ ‘Why did so-and-so…’ And I thought it’d be a real distraction, number one.