It's not impersonation (in the sense that it's not somebody impersonating Obama). This is Obama reading from his autobiography (for audiobook), quoting a childhood friend of his.
But the question now is just who will he bust a cap into? And how will does his cuts on damn fries jive with his promises to give jobs to the middle class. Of course, this is not to mention the complications of this "number-giving" policy he seems to want to enact.