Actually, there might be something very real about this.
Here is an article that will shock you.
http://www.pennypresslv.com/Obama's_...s_Speeches.pdf
This article is not a joke, the authors are completely serious. When I first saw it I laughed, but afterward as I watched Obama's speeches during his campaign, I did see that he indeed uses many of the techniques outlined here. And looking at his crowds, it is obvious they work on many people.