nations since 1957, richard. how did this visit come about? and do you know, was there a particular goal of the visit? >> reporter: yeah. the visit came about, the secretary general invited the queen. and it's believed that perhaps the palace made it clear that she would welcome an invitation, six of one, half of one dozen of the other. as she comes toward 60 years on the throne, she's very keen and they've drawn on the vast reservoir of experience, wisdom. she's met every u.s. president, for example, except johnson, since eisenhower. this is a woman who knows her way around the world. what she really wanted to do was pull strands of leadership, duty, the idea that only united nations can solve some of these really serious problems. it was a speech, by the way, sanjay, that she very much was involved in the writing of. >> crafting herself. so, from churchill to cram ron,