HOSTIN: "Senator, you've spoken pretty candidly about how your husband in 2016 discouraged you not to run. And now that we have a President Trump in the White House, do you regret that decision?"
WARREN: "Look —"
HOSTIN: "I know I regret it."
(Cheering and applause)
WARREN: "Look, we all have a lot of regrets, but my biggest regret is that Donald Trump is president of the United States. Period."