 Whether that's enough to quell the doubters remains to be seen. He was very fluid with foreign affairs throughout this press conference. The problem is that there are many lawmakers who have said, even if he does well tonight, they're worried that things might not go so well the next time. And so the challenge for the White House is trying to figure out how to change that dynamic. And Nancy, the president mentioned that Vice President Kamala Harris would be ready to serve as president. You asked him about it. Let's listen.