The following is an adapted excerpt from “Kind of a Big Deal: How Anchorman Stayed Classy and Became the Most Iconic Comedy of the Twenty-First Century,” published on August 22nd by Dutton books. It passed in a moment. Frankly, I would not be surprised if I was the only person who caught it, or made anything of it. But hardly a day has passed since I heard it that I haven’t thought about it, pondered it, worried about it, wondered whether it meant everything or nothing at all. It occurred on