From Meet the Press, Doris Kearns Goodwin writes:
Well, look, just as these politicians on the campaign trail are borrowing and absorbing patterns and evolving, so too speechwriters. They look at the best speeches in history. It’s inevitable that those patterns are going to be get in their heads. And you know, we can’t make too much of this. This is the spoken word. It’s different from the written word, and it becomes part of what’s in there. As you said, there’s not that much in their heads anymore that’s coming in that’s new. So all that’s in there is what was there before.