"I think its pretty obvious he has a problem with dyslexia - justapositioning words (this night must go nothing wrong), and this problem rules out being able to memorize words quickly. It also means even having a teleprompter doesn't mean you will get the words right. I have another friend, an actor, who is dyslexic and it takes him three times longer to memorize scripts than the average actor, even though he is getting treatment for dyslexia."
Nancy
Susan Hampshire, a well-known British actress, was dyslexic. Many are familiar with her work from Masterpiece Theater. In an autobiographical source, she mentions about the difficulty with learning scripts, etc.