Uncertainty can be hard for humans. It drives anxiety, an emotion neuroscientists are trying to understand and psychologists are trying to better treat.
Why it matters: Under the threat of a virus, job insecurity, election uncertainty, and a general pandemic life-in-limbo that is upending school, holidays and more, people are especially anxious.
President Trump suggested Thursday that he'll resist any moves that could cut off candidates' microphones in the next debate if he continues to talk over his opponent and the moderator.
The big picture: White House and campaign officials insist Trump is still committed to two remaining debates, despite fallout from Tuesday including poor reviews and discussions of new guardrails.