Every year, for 25 years, I’ve written on the observance of this anniversary. Some years, it’s been for me, some years it’s been for the people who’ve been with me along the way. Some years, I didn’t know why I was even doing it any more. But this year, for the first time in a long time, I can feel exactly what story I want to tell. Right from the day of the attacks, that evening, I remember people all around the world saying to us, “Today, we are all New Yorkers.” It was so earnest, a statement so sincere,...