 We know what he's wrestling with. We see it, unfortunately, in our parents or grandparents. And every day, every week, he's going to get a little bit worse. And the question is, at a time when the world needs America's leadership, in an era of great power competition where the autocracies of Russia and China and Iran and North Korea are lining up against the Western democracies, American leadership matters. And who's in charge? The commander in chief of the United States is also important.