trapped in icy waters, flight 90 partially submerged under ice in the potomac river. >> a lot of people say is it -- skut nick. >> so a lot of people say any time a president invites somebody they go, who is the skutnick seat going to be filled by, because he's that iconic at this point in longest speech ever, bill clinton, he probably ad-libbed it, 1 hour 28 minutes. because they counted a lot of interruptions. >> do you remember bill clinton during one of the state of the union addresses, they actually loaded the wrong speech into the teleprompter. and so they started rolling the speech from the year before but he had a paper copy and he was just -- he figured it out and went from there. now that's some good ad-lib skills. >> here's another piece of trivia for you from 1801 to 1912 the state of the union was delivered in written form. >> and the last one to do in a written speech and written form was jimmy carter. that was back in 1981. the shortest address as we told