Im sure you watched the speech, if not part one is here. He is clearly using notes not a teleprompter, something Ms Pelosi and Mr Obama should learn to use.

Quote Originally Posted by Rush Limbaugh
We want every American to be the best he or she chooses to be. We recognize that we are all individuals. We love and revere our founding documents, the Constitution and the Declaration of Independence. [Applause] We believe that the preamble to the Constitution contains an inarguable truth that we are all endowed by our creator with certain inalienable rights, among them life. [Applause] Liberty, Freedom. [Applause] And the pursuit of happiness. [Applause] Those of you watching at home may wonder why this is being applauded. We conservatives think all three are under assault. [Applause] Thank you. Thank you.
Is that a gaff? He probably could have worded it better, but that hardly makes him an idiot. At least he didnt um um um his way through his speech sans teleprompter.

Full speech is here.