 There was a lot of talk about whether he was too old to be president. Both Republicans and Democrats were asking about Reagan's cognitive abilities as a serious issue. Here's how Ronald Reagan handled that topic with all the scrutiny. President, I want to raise an issue that I think has been working out there for two or three weeks and cast it specifically in national security terms. You already are the oldest president in history and some of your staff say you were tired after your most recent encounter with Mr Mondale.