Joe Biden: key takeaways from the high-stakes ABC TV interview

The president blamed his debate performance on a bad cold, said he was in fine cognitive shape, and doubled down on staying in the race

• Biden says only the Lord almighty' could make him quit

Joe Biden is pushing back against questions about whether he has the mental and physical stamina to serve another term is president, arguing, in a much-hyped Friday television interview, I just had a bad night."

In a pre-taped sit-down interview that aired on Friday evening, the 81-year-old president told ABC News' George Stephanopoulos that he had been sick, exhausted, and had not prepared well for last week's presidential debate with Donald Trump.