[He was]talking to reporters....he chatted with the sixth-graders ... with no teleprompters
Obama Addressing High School Graduates With Teleprompters: President Obama uses teleprompters while giving the commencement address at Kalamazoo Central High School in Michigan.
He needs a teleprompter to speak to a room full of high school kids. So, basically, the President is less qualified to deliver a speech than the average principal.