The candidates' microphones will be muted unless it's their turn to speak. There will be no live studio audience to react to zingers or other "moments" during the 90-minutes, a first since the 1960 debate between John F. Kennedy and Richard Nixon.
Biden-Trump debate's a rematch, but will muted mics and other new rules make a difference?
Biden-Trump debate's a rematch, but will muted mics and other new rules make a difference?