intelligence checklist. >> reporter: the first version in 1961 was written to fit in the president's breast pocket and stamped, "top secret." the following years after the soaves pulled back their missiles in cuba, the kennebunkport said: and they noted fidel castro's displeasure. three days after president kennedy was assassinated, the daily briefing confirmed that lee harvey oswald had been in mexico. he was trying, we are told, to arrange for visas so that he could travel to the u.s.s.r. have a havana. lyndon johnson didn't like the pickles-style briefing, perhaps because kennedy had never allowed him to read it. the kennebunkport tailored a new one for him titled, "president at daily brief," and they changed the delivery scheduled. >> and they delivered it in the afternoon, not the morning, since johnson liked to do his reading at the end of the day, often in his pajamas, while lying in bed.